December 17th 2013 - Version 13.4.7.3705/3706

  • Bugfix [Sensors]: VMWare (SOAP) Sensors showed 'unknown error' in some cases, modified to show 'underlying connection was closed'-error
  • Bugfix [Sensors]: Oracle SQL sensors could decrease probe stability

December 11th 2013 - Version 13.4.7.3673/3674

  • Bugfix [Sensors]: VMware (SOAP) sensors did not work with certain characters in credentials
  • Minor improvements and fixes

November 19th 2013 - Version 13.4.7.3531/3532

  • Changed [Core]: When using a secure connection, the PRTG webserver now accepts SSLv3 and TLSv1 with AES or DES only. Note: In former versions, the only accepted encryption was RC4; this is not supported any more. Please make sure you use the latest browser version on your clients. For details, please see our knowledge base article.
  • New [Sensors]: 2 new sensor types for the NetFlow 9 successor protocol:
    • IPFIX sensor monitors standard parameters of IPFIX streams
    • IPFIX (Custom) sensor allows user defined monitoring of IPFIX streams
  • New [WebGUI]: Sensors showing lookup values now have a graphical representation in the known "gauges" style
  • New [WebGUI]: New function to find duplicate devices (i.e. devices with the same IP address) in your PRTG configuration: Right-click a device and select "Find Duplicates..."
  • New [Core]: Similar sensor analysis can now the toggled on/off on a group basis (in the settings of a group in the device tree)
  • New [EC]: You can now send a "support bundle" to our technical support team direcly for the Enterprise Console
  • Improved [Sensors]:
    • Massive performance improvements for all VMware (SOAP) sensors
    • For HTTP sensors you can now define a custom "content type" when using the "POST" request method
    • HTTP Advanced and HTTP Transaction sensors now have a "Compatibilty Mode" for websites that do not work with the standard method
    • HTTP Full Web Page Sensor with updated Chromium (webkit) and PhantomJS engines
    • Easier creation of instances of the "Enterprise Virtual Array (EVA)" sensor
    • Better QNAP System Health sensor
    • Better compatibility of SSH Script (Advanced) sensor with Solaris systems
    • Better compatibility: SNMP Uptime sensor now uses updated OID
    • EXE/Script sensors now support IPv6
  • Improved [Maps]: Faster loading of maps, plus stability improvements when viewing public maps for extended time periods (for Internet Explorer 9, Firefox, Chrome)
  • Improved [Notifications]: You can now use %host as Agent IP in SNMP Trap notifications sent by PRTG
  • Improved [WebGUI]: When sending a "support bundle" to our technical support team you can now include a screenshot of the current page
  • Bugfixes [Sensors]:
    • Fixed Windows Last Update sensor for queries to localhost
    • Fixed a bug that could cause empty values in Sensor Factory sensors
    • Fixed channel limits for IBM System Health sensor
    • Fixed Oracle SQL sensor (host string in Oracle Client mode did not work)
    • Fixed some minor bugs for VMware sensors 
    • Fixed a bug that occured when creating a new SNMP Linux Physical Disk sensor
    • Windows Updates Status (Powershell) sensor showed incorrect time since last update
  • Bugfix [WebGUI]: Sensor gauges were not displayed anymore
  • Bugfix [WebGUI]: Fixed an XSS vulnerability
  • Minor bugfixes
  • Minor fixes to the web interface
  • Many improvements to the core, Maps, Enterprise Console, WebGUI, as well as an updated user manual.

October 30th 2013 - Version 13.4.6.3374/3375 [Stable]

  • Bugfix [WebGUI]: Ajax Web GUI now accepts Internet Explorer 11
  • Bugfix [WebGUI]: Fixed alarm gauges in the Ajax Web GUI, plus several other fixes and improvements
  • Bugfix [Maps]: In current Chrome browser, public maps (that are shown, e.g., permanently on a dashboard) had to be reloaded manually once after a PRTG core server restart. Now they again keep refreshing until the server is reachable again.
  • Bugfix [Cluster]: Cluster IDs were not saved correctly during cluster setup

October 22th 2013 - Version 13.4.6.3305/3306 [Stable]

  • Bugfix [Core]: Stability improvements
  • Bugfix [Sensors]:
    • FTPS Sensor ignored port setting
    • Windows Update Sensor did not get data in some cases
  • Bugfix [EC]: Enterprise Console
    • did not always show graphs for sensors flagged "favorite"
    • hang on sensor double click
  • Bugfix [Mobile Web GUI]: Interface did not show loading symbol during data transfer

October 9th 2013 - Version 13.4.6.3240/3241 [Stable]

  • Bugfix [Sensors]: SSH sensors caused hanging virtual terminals on several target systems

October 8th 2013 - Version 13.4.6.3234/3235 [Stable]

  • Improved [Sensors]: WMI Security Center sensor now supports Symantec Endpoint Protection
  • Stability improvements for the core system
  • Minor fixes to the web interface

September 18th 2013 - Version 13.3.6.3109/3110 [Stable]

  • Bugfix [WebGUI]: The "Setup" page did not show the "Contact Support" option for non-cluster installations

September 17th 2013 - Version 13.3.6.3097/3098 [Stable]

  • New [Sensors]:
    • New sensor type Windows Updates Status (Powershell) (displays information about installed updates on a Windows machine)
    • New sensor type HP Enterprise Virtual Array (EVA) for HP SANs (requires “Command View Enterprise Virtual Array” software from HP to be installed on the probe system, sssu.exe must be version 10.0 or later, see https://kb.paessler.com/knowledgebase/en/topic/55983)
    • New sensor type SNMP SonicWALL VPN Traffic
  • New [WebGUI]: You can now send a "support bundle" to the Paessler technical support team directly within your browser. It can include a screenshot of the current page and analysis data of the PRTG installation (PRTG mail server must be able to deliver emails to Paessler)
  • Improved [Maps]: In the Maps editor, selected object can now be moved using the cursor keys (10 px with and 1 px without shift key)
  • Improved [WebGUI]: Geo maps using Google Static Maps now use https (avoids browser security warning)
  • Improved [WebGUI]: Design facelift of the Ajax Web GUI
  • Improved [Core]: Optimized purging of old monitoring data (uses fewer CPU cycles)
  • Improved [Sensors]: SSH based sensors can now run commands with elevated rights using sudo 
  • Improved [Sensors]: Custom EXE/Script Advanced sensor - added option to write results to disk on error/down only
  • Improved [Sensors]: Improved performance of SNMP V3 sensors, especially when different credentials were used across several devices
  • More than 300 other improvements and bugfixes

September 2nd 2013 - Version 13.3.5.2951/2952 [Stable]

  • Bugfix [Core]: Several stability and security fixes
  • Bugfix [EC]: Several fixes to the Enterprise Console

August 13th 2013 - Version 13.3.5.2793/2794 [Stable]

  • New [Sensors]: 5 new sensor types for detailed Exchange monitoring, all based on Powershell
    • [New] Exchange Database (Powershell)
    • [New] Exchange Backup (Powershell)
    • [New] Exchange Mailbox (Powershell)
    • [New] Exchange Public Folder (Powershell)
    • [New] Exchange Mail Queue (Powershell)
  • New [Sensors]: 6 new sensor types for monitoring devices via SNMP
    • [New] SNMP GSA System Health Sensor
      monitors the system health of a Google Search Appliance
    • [New] SNMP SonicWALL System Health Sensor 
      monitors health values of a Dell Sonic Firewall
    • [New] SNMP Cisco CBQoS Sensor 
      monitors quality-of-service via compatible devices and supports the following three classes: Class Map, Match Statement, Queueing
    • [New] SNMP Poseidon Environment Sensor 
    • [New] SNMP Hardware Status Sensor 
      monitors compatible hardware via standard OIDs
    • [New] SNMP Linux Physical Disk Sensor 
      monitors IO on disks of a Linux/Unix system
  • New [Core]: New "Value Mode" available for sensor channels that return absolute values. They can not only show averages, but alsominimum or maximum values in the graphs for the respective time spans. For details, please see this knowledge base article.
  • New [WebGUI]: The „Pause" context menu of all objects now has an option to directly add a one-time maintenance window to pause monitoring during a planned downtime
  • Improved [Remote Probes]: For more flexibility when using NAT at a remote location, remote probes can now be denied via their global identifier (GID). When deinstalling a remote probe, it will now be automatically added to the "Deny GIDs" list (instead of the "Deny IPs" list).
  • Improved [Probe]: Better stability for probe connections
  • Improved [Probe]: Better handling for WMI connections and values reported via WMI
  • Improved [Sensors]:
    • Dell PowerVault MDi Sensor now also works with models 3000f, 3620f, and 3620i. It may work with additional models, too.
    • SNMP QNAP System Health Sensor with better data detection and improved stability
    • SNMP Custom String Sensor now has a setting for a sensor status "Warning" when certain keywords are matched
    • SCVMM sensors now also work if no IIS is installed on the target system, they now support Windows 2012, and other improvements
    • Amazon CloudWatch Sensor with new region filter and a fix for ELB
    • SNMP Cisco System Health Sensor now shows additional data
    • Flow and packet sniffer sensors now support „DSCP" in sensor settings
    • Oracle SQL sensor now supports OCI (Oracle Client)
    • Better performance and compatibility for several SNMP sensors, incl. Linux SNMP (Debian 7)
  • New [Notifications]: Add an extended notification logging feature that helps analyzing notification delivery problems (optional, see How can I enable Notification Delivery Logging? in the knowledgebase)
  • New [WebGUI]: Multi-Edit for Channels
  • New [WebGUI]: Added new dependency list feature to the "Devices" menu of the WebGUI
  • Improved [EC]: Many improvements, new features, better stability, and other fixes for the Enterprise Console
  • Improved [Core]: Better stability and performance, also for cluster installations
  • Improved [Security]: Updated SSL libraries for sensors using https, the PRTG web server, probe-core-connections, SNMP v3, etc., plus other security improvements for the web server
  • Bugfix [Sensors]: Windows CPU Load Sensor could show wrong values when querying data via direct Performance Counters
  • Bugfix [Sensors]: Several fixes for the Hyper-V Cluster Shared Volume Disk Free Sensor
  • Bugfix [Sensors]: More stability for SSH sensors with private key
  • Bugfix [Sensors]: Apache ModStatus sensors used a wrong path for auto-completion
  • Bugfix [Sensors]: SQL sensors now can monitor „Record Count" independently from 
    „Post Processing"
  • Bugfix [Sensors]: SSH sensors now with better compatibility as well as improved performance and network-load
  • Bugfix [Sensors]: Hyper-V Virtual Machine Sensor did not observe the "Ignore powered off state" setting
  • Bugfix [Reports]: Fixed wrong downtime averages in reports
  • Bugfix [Setup]: Vulnerability fix
  • Bugfix [WebGUI]: Several improvements and fixes, incl. sunburst view, graph legends, slightly redesigned sensor "Overview" tab
  • Bugfix [Core]: PRTG sensor count limits were not inherited to sub groups
  • Bugfix [Core]: Graphs with limits were not displayed correctly in some scenarios
  • Many other improvements and fixes to the core system as well as an updated user manual

July 23rd 2013 - Version 13.3.4.2604/2605 [Stable]

  • Bugfix: Remaining maintenance days was not displayed correctly (bug was introduced in build 2556)
  • Improved: XML rest sensor, INI file value sensor, maps 
  • Various smaller fixes

July 16th 2013 - Version 13.3.4.2556/2557 [Stable]

  • New [WebGUI]: Added new dependency list feature to the "Devices" menu of the WebGUI
  • Bugfix [Sensors]: Passive Application Performance Sensor did not work in some situations
  • Updated [Core]: Replaced default self-signed SSL certificate with a new one that will expire in 2023. The previous default certificate will expire August 2013. If you don't use your own certificate your data will still be secure with the old certificate, but users will see a browser message that the certificate is untrusted (as before) and it has expired when they access your PRTG website. To use the new default certificate files you must install this or one of the following updates manually (delete files in folder "/cert" after shutting down the core server, then run the update installation)
  • Bugfix: Minor fixes

July 8th 2013 - Version 13.3.4.2478/2479 [Stable]

In this version we implemented a lot of improvements, ten new sensors, and several bugfixes. For details, please see below.

Core Improvements

  • Improved [Core]: Improvement of overall speed of the PRTG web interface and the Enterprise Console by significantly improved handling of user sessions. You will especially experience increased speed if many users access your core server at the same time.
  • Improved [Core]: General improvements to the SNMP monitoring engine
  • Improved [Core]: Enhanced security with better protection against external connection attempts.
  • Improved [Core]: After a core server restart PRTG now waits longer for an IP address to be assigned to the server. This will solve issues with PRTG's web server switching to localhost after restarts.
  • New [Core]: New registry key option to centrally disable automatic numbering in PRTG (for example, automatic numbers attached to sensor names when using the auto-discovery). For details, please see our knowledge base article.

New Sensors and Sensor Improvements

  • New [Sensors]: The „Application Performance Sensor" (currently to be considered beta) is an experimental sensor that can measure the performance of network applications by looking at the timing of network packets going into and coming out of a server using packet sniffing. PRTG analyzes network packets and measures the time between requests and responses. This allows you to monitor the performance of a server/service without actually having direct access to neither the client nor the server (works with TCP-based protocols that initiate a new TCP session with each request). Please give us feedback for this sensor type!
  • New [Sensors]: Three new sensor types for monitoring QNAP storage systems
    • [New] SNMP QNAP Physical Disk Sensor
    • [New] SNMP QNAP Logical Disk Sensor
    • [New] SNMP QNAP System Health Sensor
  • New [Sensors]: Three new sensor types for monitoring Synology storage systems
    • [New] SNMP Synology Physical Disk Sensor
    • [New] SNMP Synology Logical Disk Sensor
    • [New] SNMP Synology System Health Sensor
  • New [Sensors]: Three new sensor types for monitoring IBM System X systems
    • [New] SNMP IBM System X Physical Disk Sensor
    • [New] SNMP IBM System X Logical Disk Sensor
    • [New] SNMP IBM System X Physical Memory Sensor
  • Improved [Sensors]: Enhanced compatibility for HTTP XML/REST Value Sensor
  • Improved [Sensors]: Windows Print Queue Sensor now supports print queues with no physical printer attached
  • Improved [Sensors]: WMI Exchange sensor now shows Active User Count, User Count, Connection Count, Current Unique Users, and Average Response Time (Please note: For existing sensors, the former sensor channel "Active User Count" will show zero values now)
  • Improved [Sensors]: All http sensors now support Server Name Identification (SNI)
  • Improved [Sensors]: The HTTP Content sensor now supports NTLM authentication
  • Improved [Sensors]: The Port Sensor now also supports response _text_ as a result
  • Improved [Sensors]: Both HTTP Apache ModStatus Sensors now support monitoring of protected ModConf pages.
  • Improved [Sensors]: Hyper-V Cluster Shared Volume Disk Free Sensor can now query data from localhost
  • Improved [Sensors]: Updated WSUS Statistics Sensor

Further Improvements

  • Improved [WebGUI]: Optimized speed for device trees with many _collapsed_ groups that show red sensors
  • Feature [WebGUI]: Added a hidden feature to bulk-print QR codes (try /devices-qr.htm?id=0). For details, please see our knowledge base article.
  • Improved [Language]: New Japanese language file
  • Improved [Language]: New Chinese language version
  • Improved [Maps]: In "Maps Designer" you can now search for objects in the device tree by entering keywords
  • Improved [Maps]: Several fixes and improvements to PRTG Maps behavior and public Maps view, including quicker updates of public maps
  • Improved [Autodiscovery]: PRTG now gives precedence to creating SNMP sensors for monitoring CPU, memory, disks. Only if SNMP is not available on the target device, PRTG will create Windows/WMI sensors. Note: If you have a _scheduled_ auto-discovery which runs regularly, PRTG will create some double sensors (SNMP and WMI). Only existing configurations are affected by this issue.
  • Improved [EC]: New menu icons as well as many improvements for the Enterprise Console.
  • Improved [API]: Graphs can now also be queried in SVG format via the API

Bugfixes Sensors

  • Bugfix [Sensors]: PRTG did not accept lookup files containing ranges or bitfields. Details about lookups: https://www.paessler.com/manuals/prtg/define_lookups.htm
  • Bugfix [Sensors]: SNMP Cisco System Health sensor showed an "unknown" status in some scenarios
  • Bugfix [Sensors]: Fixed Cisco IP SLA calculation
  • Bugfix [Sensors]: IMAP sensor did not return correct date for last incoming data in some scenarios
  • Bugfix [Sensors]: Removed hardcoded default server for IP on DNS Blacklist sensor (dnsbl.njabl.org)
  • Bugfix [Sensors]: Windows Logged In Users Sensor reported an error when measuring more than 85 logged in users
  • Bugfix [Sensors]: Dell PowerVault MDi sensor showed speed values with a wrong factor
  • Bugfix [Sensors]: Oidlib files containing lookups produced an error on sensor creation
  • Bugfix [Sensors]: Corrected % calculation for Windows Pagefile Sensor
  • Bugfix [Sensors]: In some cases the SMTP&IMAP Round Trip Sensor and the SMTP&POP3 Round Trip Sensor did not work correctly when using special email subjects
  • Bugfix [Sensors]: The HTTP Transaction Sensor did not accept cookies in some scenarios
  • Bugfix [Sensors]: Better stability for the WMI UTC Time Sensor
  • Bugfix [Sensors]: Better compatibility and stability for SNMP HP ProLiant Disk sensors
  • Bugfix [Sensors]: Removed a potential memory leak in ADO SQL Sensor

Bugfixes WebGUI and Enterprise Console

  • Bugfix [WebGUI]: In some cases, graphs with similar sensors were shown to users that did not have the right to see them.
  • Bugfix [WebGUI]: Sensor gauges and graphs now show limits correctly, including limits for disk sensors.
  • Bugfix [WebGUI]: Several other fixes for behavior of sensor gauges
  • Bugfix [WebGUI]: Read-only users with respective rights could not acknowledge alarms using the Mobile Web Interface.
  • Bugfix [WebGUI]: Holding down Ctrl key + mouse click in browser now also works on MacOS systems
  • Bugfix [WebGUI]: Fixed sunburst view
  • Bugfix [WebGUI]: Improved compatibility with Internet Explorer 10 (SNMP Traffic sensors could not be created manually)
  • Bugfix [WebGUI]:  Improved Libraries
  • Bugfix [WebGUI]: XSS security fix
  • Bugfixes [EC]: Several fixes to the Enterprise Console

Bugfixes Notifications

  • Bugfix [Notifications]: We corrected the behavior of the SMTP SSL/TLS encryption for outgoing email notifications when using an SMTP relay server. Note: If you experience problems with outgoing email notifications after this update, please check and revise your SMTP delivery settings under "Setup | System Administration | Notification Delivery". Pay special attention to the "Use encrypted connection" setting.
  • Bugfix [Notifications]: PRTG did not send email notifications via Gmail
  • Bugfix [Notifications]: PRTG could not send SMS text messages using provider "smsdriver". Note: Please use "Maximum Length of Text" = 0 when setting up this provider in the "Notification Delivery" settings
  • Bugfix [Notifications]: Email subjects containing "=?" were not transmitted correctly

Others

Optimization of the monitoring engine, better stability and speed, styling and fixes to the Ajax web interface and the Maps functions, updated user manual, and many other improvements and minor fixes

 

June 17th 2013 - Version 13.2.3.2284/2285 [Stable]

  • Improved [Sensors]: Enhanced compatibility for HTTP XML/REST Value Sensor
  • Improved [Sensors]: Windows Print Queue Sensor now supports print queues with no physical printer attached
  • Improved [Language]: New Japanese language file
  • Bugfix [WebGUI]: Read-only users with respective rights could not acknowledge alarms using the Mobile Web Interface
  • Several improvements and fixes to the Ajax Web Interface

June 10th 2013 - Version 13.2.3.2235/2236 [Stable]

  • Bugfix [Notifications]: We corrected the behavior of the SMTP SSL/TLS encryption for outgoing email notifications when using an SMTP relay server. Note: If you experience problems with outgoing email notifications after this update, please check and revise your SMTP delivery settings under "Setup | System Administration | Notification Delivery". Pay special attention to the "Use encrypted connection" setting.
  • Improved [WebGUI]: Optimized speed for device trees with many _collapsed_ groups that show red sensors

June 4th 2013 - Version 13.2.3.2219/2220 [Stable]

  • Improved [WebGUI]: Many little tweaks and fixes to the Ajax Web Interface
  • Bugfix [Maps]: Fixed wrong connection lines in combination with status icons, plus additional improvements

May 28th 2013 - Version 13.2.3.2165/2166 [Stable]

  • Improvements [Core]: Stability improvements

May 21st 2013 - Version 13.2.3.2134/2135 [Stable]

  • Improvement [Maps]: Several improvements to the Maps editor
  • Bugfix [WebGUI]: Device popup shows IP address again
  • Bugfix [Sensors]: Fixed connection issues for sensors using SNMP v3
  • Bugfix [Notificatons]: Provider bulksms did not send messages with non-ASCII characters
  • Several other improvements and bugfixes

May 13th 2013 - Version 13.2.3.2063/2064 [Stable]

  • Bugfix [GUI]: Various fixes to the web interface and the Enterprise Console

May 6th 2013 - Version 13.2.3.2014/2015 [Stable]

  • Bugfix [WebGUI]: Fixed sunburst view
  • Bugfix [WebGUI]: Improved compatibility with Internet Explorer 10 (SNMP Traffic sensors could not be created manually)
  • Bugfix [WebGUI]: Sensor graphs showing channel limits were not displayed correctly
  • Bugfix [Maps]: Several improvements to PRTG Maps
  • Bugfix [Sensors]: Removed hardcoded default server for IP on DNS Blacklist sensor (dnsbl.njabl.org)
  • Bugfix [Notifications]: PRTG did not send email notifications via Gmail
  • Several other improvements and fixes

May 2nd 2013 - Version 13.2.3.1986/1987 [Stable]

  • Improved [Maps]: In "Maps Designer" you can now search for objects in the device tree by entering keywords
  • Bugfixes [WebGUI]: 
    • Fixes for behavior of sensor "gauges"
    • Several fixes to PRTG Maps behavior and public Maps view
    • Improved Libraries
    • XSS security fix
  • Bugfixes [EC]: Several fixes to the Enterprise Console
  • Bugfix [Notifications]: PRTG could not send SMS text messages using provider "smsdriver". Note: Please use "Maximum Length of Text" = 0 when setting up this provider in the "Notification Delivery" settings
  • Bugfix [Sensors]: Windows Logged In Users Sensor reported an error when measuring more than 85 logged in users
  • Several other improvements and minor fixes
  • Known issue: If your IP on DNS Blacklist Sensor shows an "unknown host" error, please update to the latest version or see the following article: https://www.paessler.com/knowledgebase/en/topic/51113

April 23rd 2013 - Version 13.2.3.1926/1927 [Stable]

  • New [Maps]: You can now add sensor gauges to PRTG Maps
  • Improved [WebGUI]: Better support for input using touch screens, e.g. on iPad with the Ajax Web GUI—not officially supported, but works pretty well :-)
  • Improved [Languages]: Updated French language version
  • Bugfix [Maps]: Fixed Maps rotation feature and several display issues
  • Other minor fixes and improvements

April 22nd 2013 - Version 13.2.3.1896/1897 [Stable]

Please read carefully!

 In these release notes:  New | Changed/removed | Known issues

This release contains the code of focused development work from the last five months. The most obvious change: We have revised the entire web interface. It now reacts almost instantly, and with new control elements and colors, data is now easier to consume. Plus, we added a lot of new features here and there to make PRTG even more convenient to work with. For detailed information, please see

Some of our users use custom CSS, HTML, or their own icons to change the look&feel of PRTG's web interface and/or reports. Please note that this kind of customizations will be disabled after an update to the current version and you will have to rework them. For details, please see https://www.paessler.com/knowledgebase/en/topic/44703

Supported browsers are Chrome 27 or later (recommended!), Firefox 21 or later, and Internet Explorer 9 or 10.

The Changes in Detail:

  • New [WebGUI]: Completely revised and updated look&feel of the PRTG Ajax Web GUI
    • Faster loading times and almost instant reaction on clicks
    • All settings loaded in layer popups so you never lose the context of your work
    • New view modes for Libraries: Sunburst, Tree Map (as known from the device tree)
    • Revised devices overview page: Extra display of high-priority sensors, in different sizes, for sensors with 4 and 5 star priority
    • Revised sensors overview page: Graphical display of sensor channels with gauges. For xFlow and packet sniffer sensors, the "Toplist" graphs are now shown in the "Overview" tab. Edit channel settings directly on a sensor's "Overview" tab.
    • Redesign of built-in dashboards, sitemap, and top 10 lists
    • New sensor comparison page: compare several sensors at a time
    • Paessler blog integration: Read the latest news from the Paessler RSS feed on the PRTG login screen
    • Social media integration: Follow us on Facebook, Twitter, and Google+ directly from PRTG's welcome page
    • New default colors for graphs
    • Changed appearance of buttons, tables, etc.
    • New interactive breadcrumbs for an easier navigation
    • QR codes for easy access to the direct URL of your monitoring objects on your mobile
    • Many other tweaks here and there
    • The Enterprise Console profits from the changes, too - whenever it embeds parts of the WebGUI
  • New [MobileGUI]: Revised Mobile Web GUI: Easier to read and new look&feel
  • New [Core]: Similar sensors analysis: PRTG automatically detects similar sensor data and shows matches in your sensor's "Overview" tab. This function is totally independent from sensor types and uses pure mathematics for heuristic calculation. (You can configure this feature in the "System & Website" system settings.)
  • New [Graphs]: Display of sensor limits: If you set a limit in a sensor channel (for example, an upper or lower warning limit, or an upper or lower error limit), these limits will be shown in the new sensor gauges as yellow and red areas. Additionally, yellow and red areas can be shown in graphs. In order to show the colored areas in graphs, you must configure your graph to show one sensor channel only. Otherwise the limit areas will be hidden in graphs. For details, please see our knowledge base at https://www.paessler.com/knowledgebase/en/topic/48463
  • New [Sensors]: We reworked the internal system for SNMP monitoring
    • New: PRTG now supports SNMP v3 with AES encryption
    • We extended the port identification options in the SNMP Compatibility options which allows for better adaptation to different behavior of your switches/routers in the case they reboot.
    • More stability for SNMP monitoring
    • Please see also our updated SNMP Tester (beta): https://www.paessler.com/tools/snmptester
  • New [Core]: Performance improvements for systems with 12 CPUs or more: PRTG now makes better use of CPU power which decreases your PRTG system's load
  • New [WebGUI]: The Ajax Web Interface now shows latest news from our company blog on the login screen and on the setup main page
  • New [EC]: The Enterprise Console now shows latest news from our company blog in a status bar at the bottom of the main window
  • New [Core]: Graphs can now be downloaded as SVG files
  • New [Core]: We changed the way dependencies between PRTG objects are shown
  • New [Core]: Faster search in the web interface
  • Improved [EC]: Many updates, changes, and fixes for the Enterprise Console
  • Improved [Autodiscovery]: Improved device templates for automatic network discovery.
  • New [Notifications]: When using a custom URL for SMS text message notifications, you can now define the encoding for SMS (in the "Notification Delivery" system settings), plus there will now be a result shown in PRTG's Logs list
  • Improved [Sensors]: The WMI Logical Disk sensor now shows more information
  • Improved [Sensors]: The Email Round Trip sensors now allow for a custom subject text addition and connect correctly when using SSL (TLS)
  • Improved [Sensors]: The WMI Service sensor can now show CPU load
  • Improved [Sensors]: The Port sensor now supports SSL-encrypted connections
  • Improved [Sensors]: Better error handling for the following sensor types: SNMP Cisco ADSL, SNMP Cisco ASA VPN Traffic, SNMP Cisco System Health, SNMP Dell Physical Disk Sensor, SNMP Memory, SNMP Disk Free, SNMP HP ProLiant Logical Disk, SNMP HP ProLiant Network Adapter, SNMP HP Proliant Memory Controller, as well as for all NetApp sensors and SNMP Library sensors
  • Improved [Reports]: When sending reports as PDF file(s) via email, you can now enable compression so the report files will reach you in ZIP format
  • Improved [Notifications]: We updated the design of the pre-configured templates for email notifications. Note: Please click on the "Reset to default" link in your email notifications settings to profit from the new templates.
  • Bugfix [Sensors]: Event Log (Windows API) Sensor could not filter by multiple IDs
  • Improved [Sensors]: Hyper-V Virtual Machine Sensor can now monitor machines running on Windows Server 2012, plus improved data calculation
  • Bugfix [Sensors]: Better performance for HTTP sensors when monitoring websites that redirect from http to https
  • Bugfix [Sensors]: Better error handling for HTTP Full Web Page sensor with Chromium engine
  • Bugfix [Sensors]: Fixed display issues in WMI Microsoft SQL server sensors settings
  • Bugfix [Sensors]: Fixed CPU index labels for SNMP CPU Load sensor (effective only when creating new sensors of this kind)
  • Updated user manual und API documentation, updated translations as well as hundreds of other improvements and fixes to all parts of PRTG

Changed/Removed:

  • Changed [Sensors]: There is no "Channels" tab any more in the WebGUI and in the Enterprise Console. Instead, you can edit sensor channels directly on a sensor's "Overview" tab, using the small gear icons next to the channel display. To make a sensor channel the primary channel, click on the little pin symbol.
  • Changed [Sensors]: There is no "Toplist" tab any more in the WebGUI and in the Enterprise Console for xFlow (NetFlow, jFlow, sFlow) and packet sniffer sensors. Instead, access Toplists directly by clicking on the Toplist graphs on a sensor's "Overview" tab.
  • Changed [Sensors]: For WMI Exchange Server sensors, we restricted the available measurements to a reasonable selection
  • Changed [Graphs]: The background color of graphs cannot be set any more in the "System & Website" system settings (background color will always be transparent).
  • Changed [Dashboards]: The former default "Dashboard 4" ("Home | Dashboard 4") was not compatible with the new interface, so we removed it.
  • Changed [API]: The API for customizations of PRTG's HTML, JavaScript, and CSS has changed. For details, please see https://www.paessler.com/knowledgebase/en/topic/44703
  • Changed [GeoMaps]: When entering a new "Location" for a probe, group, or device, PRTG now tries to resolve a street address to geo coordinates not only via Yahoo, but also via MapQuestAPI and Nokia. For details, please see https://www.paessler.com/knowledgebase/en/topic/35823
  • Changed [Browsers]: Internet Explorer 8 is not supported any more at all (it happened to work before with PRTG's Mobile Web GUI, but officially we dropped IE 8 support long time ago)

Known Issues:

  • [WebGUI]: Please empty your browser cache if you experience display issues when loading the new web interface for the first time
  • [WebGUI]: The dependency display ("Devices | Dependencies") is currently not available. A similar view will return with future versions.
  • [UI]: The Czech and Chinese language versions are not yet updated. You may see a lot of strings in English language when running the web interface or the Enterprise Console in these languages.

March 11th 2013 - Version 13.1.2.1462/1463 [Stable]

  • Bugfix [Sensors]: In some cases sensor lookups did not work for SNMP Library sensors

March 4th 2013 - Version 13.1.2.1447/1448 [Stable]

  • Changed [GeoMaps]: When entering a new “Location” for a probe, group, or device, PRTG now tries to resolve a street address to geo coordinates not only via Yahoo, but also via MapQuestAPI and Nokia. For details, please see our knowledge base
  • Bugfix [Core]: With configurations containing the deprecated "PC CPU" sensor PRTG core server did not start any more
  • Bugfix [Sensors]: Not all sensor channel lookup types could be used
  • Bugfix [EC]: Drag&drop did not always work as expected

February 25th 2013 - Version 13.1.2.1382/1383 [Stable]

  • New [Sensors]: Rewritten system for sensor channel lookups - replace the status codes of your devices with your own status messages
  • Changed [Notifications]: For enhanced language support, email messages will now be entirely UTF-8 encoded. Note: The header of email messages (including the subject field) will only be UTF-8 encoded if it contains non-ASCII characters. The content (body) of emails will now always be UTF-8 encoded.
  • Changed [WebGUI]: Fixed Chrome Desktop Notifications (Chrome's API has changed)
  • Improved [Sensors]: Added support for non-compliant OIDs for sensor types: SNMP Custom, SNMP Custom String, and SNMP Trap Receiver. New feature: In order to enter an OID into the "OID Value" field that does not begin with 1.0., 1.1., 1.2., or 1.3., add the string norfccheck: at the beginning of your OID.
  • Improved [Sensors]: Active Directory Replication Error sensor: Added option to monitor logged in domain controller only
  • Improved [Sensors]: HTTP XML/Rest Value sensor: New option for custom content type
  • Improved [Sensors]: Pingdom sensor
  • Improved [Sensors]: HP ProLiant Physical Disk sensor
  • Improved [Sensors]: Improvements to the SIP Options Ping sensor.
  • Improved [Sensors]: Hyper-V Cluster Shared Volume Disk Free Sensor now accepts umlauts in volume names
  • Bugfix [Sensors]: SSH Script sensors could show a false error on HP Unix systems
  • Bugfix [Sensors]: Several fixes in SCVMM Sensors
  • Bugfix [Sensors]: SSH connections were not closed correctly in some cases
  • Bugfix [Sensors]: Windows Scheduled Task sensor: Task names with an (.exe) extention caused a "Value did not fall within the expected range" error
  • Bugfix [Sensors]: Windows Security Center sensor now supports Sophos and Norton antivirus products
  • Bugfix [WebGUI]: customerscript.js was overwritten during update installations
  • Bugfix [Autodiscovery]: The auto-discovery did never create a WMI S.M.A.R.T. sensor
  • Bugfix [Notifications]: Improved Clickatell SMS support
  • Bugfix [Maps]: On large maps, scrollbars were missing in Maps designer mode
  • Several other minor fixes and many improvements, plus updated translations

February 11th 2013 - Version 13.1.1.1265/1266 [Stable]

  • Bugfix [Notifications]: Emails from notifications with multiple attachments showed wrong filenames in attachments
  • Bugfix [Notifications]: Change triggers did not fire for some sensor types
  • Bugfix [Sensors]: Fixed bug with negative values for PCmeasure (MessPC) devices
  • Plus several minor fixes and improvements

January 30th 2013 - Version 13.1.1.1181/1182 [Stable]

  • Bugfix [Core]: Sometimes notification emails got messed up by unfortunate encoding
  • Note: Email messages will now be entirely UTF-8 encoded, including the subject line. Unfortunately, this may cause some email-to-SMS gateways to send unreadable SMS text messages. In this case we recommend switching to another gateway service.

January 15th 2013 - Version 13.1.1.1088/1089 [Stable]

  • Bugfix [EC]: The Enterprise Console showed login screen after long periods of inactivity
  • Bugfix [Core]: A PRTG commercial license key could not be entered on machines where the trial version had previously run for the max. number of 100 days
  • Bugfix [Sensors]: In some cases, the primary channel was not set correctly for SNMP Cisco System Health Sensor
  • Bugfix [Sensors]: Mac addresses were displayed incorrectly for sFlows using VLAN
  • Bugfix [Notifications]: Thunderbird now shows subjects correctly in Japanese language
  • Improvements to the French translation and to the user manual as well as several other minor improvements and bugfixes
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