PRTG Manual: List of Sensors by Performance Impact

Here you can find a list of sensors sorted by their performance impact.

i_round_blueYou can also see a sensor's performance impact in the Add Sensor dialog or on a sensor's Overview tab.

A sensor can have one of the following types of performance impact:

Very Low Performance Impact

Sensor

What It Monitors

Cluster Health sensor

Health of the cluster

Common SaaS sensor

Availability of several SaaS providers

Core Health sensor

Status of the PRTG core server

Core Health (Autonomous) sensor

Status of the PRTG core server

Dell EMC Unity Enclosure Health v2 sensor

Health of an enclosure on a Dell EMC storage system via the REST API

Dell EMC Unity File System v2 sensor

File system on a Dell EMC storage system via the REST API

Dell EMC Unity Storage Capacity v2 sensor

Storage capacity of a Dell EMC storage system via the REST API

Dell EMC Unity Storage LUN v2 sensor

LUN on a Dell EMC storage system via the REST API

Dell EMC Unity Storage Pool v2 sensor

Storage pool on a Dell EMC storage system via the REST API

Dell EMC Unity VMware Datastore v2 sensor

VMware datastore on a Dell EMC storage system via the REST API

HPE 3PAR Common Provisioning Group sensor

Capacity of a CPG on an HPE 3PAR storage system

Microsoft Azure SQL Database sensor

Metrics of an Azure SQL Database (single database or elastic pool) in a Microsoft Azure subscription

Microsoft Azure Storage Account sensor

Storage account in a Microsoft Azure subscription

Microsoft Azure Subscription Cost sensor

Cost in a Microsoft Azure subscription

Microsoft Azure Virtual Machine sensor

Monitors the status of a virtual machine in a Microsoft Azure subscription.

Modbus RTU Custom sensor

Up to five values returned by a Modbus RTU server

Modbus TCP Custom sensor

Up to five values returned by a Modbus TCP server

NetApp Aggregate sensor

Status of a NetApp cDOT or ONTAP storage aggregate accessing the API via SOAP

NetApp I/O sensor

Input and output operations of a NetApp cDOT or ONTAP storage system accessing the API via SOAP

NetApp LIF sensor

Logical interfaces of a NetApp cDOT or ONTAP cluster accessing the API via SOAP

NetApp LUN sensor

LUN of a NetApp cDOT or ONTAP storage system accessing the API via SOAP

NetApp NIC sensor

NIC of a NetApp cDOT or ONTAP cluster accessing the API via SOAP

NetApp Physical Disk sensor

Disks of a NetApp cDOT or ONTAP storage system accessing the API via SOAP

NetApp SnapMirror sensor

SnapMirror relationships of a NetApp cDOT or ONTAP storage system accessing the API via SOAP

NetApp System Health sensor

Health of a NetApp cDOT or ONTAP storage system accessing the API via SOAP

NetApp Volume sensor

Volumes on a NetApp cDOT or ONTAP storage system accessing the API via SOAP

OPC UA Certificate sensor

Certificate of an OPC UA server

OPC UA Server Status sensor

Server status, uptime, and diagnostic information of an OPC UA server

Ping sensor

Ping time and packet loss

Port sensor

Time until a request to a port is accepted

Port Range sensor

Network service by connecting to various TCP/IP ports

Probe Health sensor

Status of the probe

SNMP APC Hardware sensor

Performance counters on an APC UPS device via SNMP

SNMP Cisco ASA VPN Connections sensor

VPN connections on a Cisco ASA via SNMP

SNMP Cisco CBQoS sensor

Network parameters using Cisco's CBQoS via SNMP

SNMP Cisco UCS Blade sensor

Health status of a Cisco UCS blade server via SNMP

SNMP Cisco UCS Chassis sensor

Health status of the chassis of a Cisco UCS device via SNMP

SNMP Custom sensor

Single parameter that is returned by a specific OID via SNMP

SNMP Custom String sensor

String returned by a specific OID via SNMP

SNMP Custom String Lookup sensor

String returned by a specific OID via SNMP directly mapped to a sensor status

SNMP Dell Hardware sensor

Performance counters on a Dell hardware device via SNMP

SNMP Dell PowerEdge System Health sensor

System health of a Dell PowerEdge server via SNMP

SNMP Hardware Status sensor

Status of a hardware component of a server via SNMP

SNMP HP LaserJet Hardware sensor

Performance counters on an HP LaserJet hardware device via SNMP

SNMP HPE ProLiant Logical Disk sensor

Logical disk in an HPE server via SNMP

SNMP HPE ProLiant Memory Controller sensor

Memory controller in an HPE server via SNMP

SNMP IBM System X Logical Disk sensor

Logical disk in an IBM server via SNMP

SNMP IBM System X Physical Disk sensor

Physical disk in an IBM server via SNMP

SNMP IBM System X Physical Memory sensor

Memory modules in an IBM server via SNMP

SNMP interSeptor Pro Environment sensor

Data from a Jacarta interSeptor Pro environmental monitoring system via SNMP

SNMP LenovoEMC Physical Disk sensor

Physical disk in a LenovoEMC NAS via SNMP

SNMP LenovoEMC System Health sensor

System health of a LenovoEMC NAS via SNMP

SNMP Library sensor

Device via SNMP

SNMP Linux Load Average sensor

System load average of a Linux/Unix system via SNMP

SNMP Linux Meminfo sensor

Memory usage of a Linux/Unix system via SNMP

SNMP NetApp I/O sensor

IOPS on a NetApp storage system via SNMP

SNMP NetApp System Health sensor

Status of a NetApp storage system via SNMP

SNMP Poseidon Environment sensor

Performance counters for environmental measurements on Poseidon hardware via SNMP

SNMP Printer sensor

Various types of printers via SNMP

SNMP QNAP Logical Disk sensor

Logical disk in a QNAP NAS via SNMP

SNMP QNAP Physical Disk sensor

Physical disk in a QNAP NAS via SNMP

SNMP RMON sensor

Traffic on a device using RMON via SNMP

SNMP SonicWall System Health sensor

Health values of a SonicWall NSA via SNMP

SNMP SonicWall VPN Traffic sensor

Traffic of an IPsec VPN on a SonicWall NSA via SNMP

SNMP Synology Logical Disk sensor

Logical disk in a Synology NAS via SNMP

SNMP Synology Physical Disk sensor

Physical disk in a Synology NAS via SNMP

SNMP Synology System Health sensor

System health of a Synology NAS via SNMP

SNMP System Uptime sensor

Uptime of a device via SNMP

SNMP Traffic sensor

Traffic on a device via SNMP

SNMP Windows Service sensor

Windows service via SNMP

SSL Certificate sensor

Certificate of an SSL/TLS connection

SSL Security Check sensor

SSL/TLS connectivity to the port of a device

System Health sensor

Status of the probe system

Veeam Backup Job Status sensor

Status of all backup job runs on the Veeam Backup Enterprise Manager in the last 24 hours

Veeam Backup Job Status Advanced sensor

Status of a specific backup job that runs on the Veeam Backup Enterprise Manager

VMware Datastore (SOAP) sensor

Disk usage of a VMware datastore via SOAP

Zoom Service Status sensor

Availability of global Zoom services

Low Performance Impact

Sensor

What It Monitors

AWS Cost sensor

Cost of an AWS account by reading its data from the AWS Cost Explorer API

Beckhoff IPC System Health sensor

System health of a Beckhoff IPC via OPC UA

Cisco IP SLA sensor

VoIP network parameters using IP SLAs from Cisco via SNMP

Cloud HTTP sensor

Response time and response code of the target server via HTTP

Cloud HTTP v2 sensor

Response time and response code of the target server via HTTP

Cloud Ping sensor

Response time of the target server via TCP ping

Cloud Ping v2 sensor

Response time of the target server via TCP ping

DHCP sensor

DHCP server

Docker Container Status sensor

Status of a Docker container

Dropbox sensor

Dropbox account via the Dropbox API and OAuth2

EXE/Script sensor

Value returned by the executable file or script (in one channel only) and the execution time

Google Analytics sensor

Several metrics from a Google Analytics account using the Google API and OAuth2

Google Drive sensor

Google Drive account via the Google API and OAuth2

HTTP sensor

Loading time of a web page or element

HTTP Apache ModStatus PerfStats sensor

Performance statistics of an Apache web server using mod_status over HTTP

HTTP Apache ModStatus Totals sensor

Activity of an Apache web server using mod_status over HTTP

HTTP IoT Push Data Advanced sensor

Messages received from IoT-capable devices that are pushed via an HTTPS request to PRTG

HTTP Push Count sensor

Received messages that are pushed via an HTTP request to PRTG

HTTP Push Data sensor

Numeric values from received messages that are pushed via an HTTP request to PRTG

HTTP Push Data Advanced sensor

Data from received messages that are pushed via an HTTP request to PRTG

Microsoft 365 Service Status sensor

Overall status of all services of a Microsoft 365 subscription

Microsoft 365 Service Status Advanced sensor

Detailed status of all services of a Microsoft 365 subscription

Microsoft OneDrive sensor

Microsoft OneDrive Personal account via the OneDrive API and OAuth2

MQTT Round Trip sensor

Availability of an MQTT broker (server)

OPC UA Custom sensor

Up to ten numeric values returned by specific OPC UA node IDs

PerfCounter Custom sensor

Configured set of Windows performance counters

PerfCounter IIS Application Pool sensor

Microsoft IIS application pool using Windows performance counters

POP3 sensor

Email server via POP3

RDP (Remote Desktop) sensor

Remote desktop services (RDP, Terminal Services Client)

SIP Options Ping sensor

Connectivity for a SIP server using SIP options "Ping"

SMTP sensor

Mail server via SMTP

SNMP Buffalo TS System Health sensor

System health of a Buffalo TeraStation NAS via SNMP

SNMP Cisco ADSL sensor

ADSL statistics of a Cisco router

SNMP Cisco ASA VPN Traffic sensor

Traffic of an IPsec VPN connection on a Cisco ASA

SNMP Cisco ASA VPN Users sensor

Account connections to a VPN on a Cisco ASA via SNMP

SNMP Cisco System Health sensor

System health of a Cisco device via SNMP

SNMP CPU Load sensor

System load via SNMP

SNMP Custom Advanced sensor

Numeric values returned for OIDs via SNMP

SNMP Custom Table sensor

Entries from a table that is provided via SNMP

SNMP Dell EqualLogic Logical Disk sensor

Volume of a Dell EqualLogic storage system via SNMP

SNMP Dell EqualLogic Member Health sensor

Health of an array member of an EqualLogic storage system via SNMP

SNMP Dell EqualLogic Physical Disk sensor

Disk in a Dell EqualLogic storage system via SNMP

SNMP Dell PowerEdge Physical Disk sensor

Physical disk in a Dell PowerEdge server via SNMP

SNMP Disk Free sensor

Free disk space on a logical disk via SNMP

SNMP Fujitsu System Health v2 sensor

Status of a Fujitsu PRIMERGY server via the iRMC and SNMP

SNMP HPE BladeSystem Blade sensor

Status of an HPE BladeSystem via SNMP

SNMP HPE BladeSystem Enclosure System Health sensor

System health of an HPE BladeSystem device via SNMP

SNMP HPE ProLiant Network Interface sensor

Network interface in an HPE server via SNMP

SNMP HPE ProLiant Physical Disk sensor

Physical disk in an HPE server via SNMP

SNMP HPE ProLiant System Health sensor

System health of an HPE ProLiant server via SNMP

SNMP IBM System X System Health sensor

System health of an IBM device via SNMP

SNMP Juniper NS System Health sensor

System health of a Juniper NetScreen device via SNMP

SNMP Linux Disk Free sensor

Free space on disks of a Linux/Unix system via SNMP

SNMP Linux Physical Disk sensor

I/O on disks of a Linux/Unix system via SNMP

SNMP Memory sensor

Memory usage of a system via SNMP

SNMP NetApp Disk Free sensor

Free space on disks of a NetApp storage system via SNMP

SNMP NetApp Enclosure sensor

Power supply and cooling of an enclosure that is part of a NetApp storage system via SNMP

SNMP NetApp License sensor

Licenses for the services of a NetApp storage system via SNMP

SNMP NetApp Logical Unit sensor

IOPS on a logical unit of a NetApp storage system via SNMP

SNMP NetApp Network Interface sensor

Network card of a NetApp storage system via SNMP

SNMP Nutanix Cluster Health sensor

Status and performance of a Nutanix cluster via SNMP

SNMP Nutanix Hypervisor sensor

Nutanix hypervisor via SNMP

SNMP QNAP System Health sensor

System health of a QNAP NAS via SNMP

SNTP sensor

SNTP server

WMI UTC Time sensor

UTC time of a target device via WMI

Medium Performance Impact

Sensor

What It Monitors

Amazon CloudWatch Alarm sensor

Status of an Amazon CloudWatch alarm

Amazon CloudWatch EBS sensor

Performance of the Amazon Cloud service EBS

Amazon CloudWatch EC2 sensor

Performance of the Amazon Cloud service EC2

Amazon CloudWatch ElastiCache sensor

Performance of the Amazon Cloud service ElastiCache

Amazon CloudWatch ELB sensor

Performance of the Amazon Cloud service ELB

Amazon CloudWatch RDS sensor

Performance of the Amazon Cloud service RDS

Amazon CloudWatch SNS sensor

Performance of the Amazon Cloud service SNS

Amazon CloudWatch SQS sensor

Performance of the Amazon Cloud service SQS

Business Process sensor

Summarized status of entire business processes while monitoring several process components

DNS v2 sensor

DNS server, resolves domain name records, and compares them to a filter

EXE/Script Advanced sensor

Values returned by the executable file or script in multiple channels

FTP sensor

File servers using FTP and FTPS

HL7 sensor

Availability of HL7 interfaces

HTTP Advanced sensor

Source code of a web page using HTTP

HTTP Content sensor

Numeric value returned by an HTTP request

HTTP Data Advanced sensor

Values returned by the web server in multiple channels

Hyper-V Cluster Shared Volume Disk Free sensor

Microsoft Hyper-V cluster shared volume via PowerShell

IMAP sensor

Email server via IMAP

IPMI System Health sensor

Status of a system via IPMI

LDAP sensor

Directory services via LDAP

MQTT Statistics sensor

Received messages and payload from an MQTT topic

MQTT Subscribe Custom sensor

Up to five numeric values from the received JSON data

Ping Jitter sensor

Statistical jitter value and execution time

Python Script Advanced sensor

Values returned by the Python script in multiple channels

REST Custom sensor

Values returned by a REST API in multiple channels

SFTP Secure File Transfer Protocol sensor

FTP servers of a Linux/Unix system using the SSH File Transfer Protocol (FTP over SSH)

Share Disk Free sensor

Free disk space of a share (Windows/Samba) using SMB

SNMP Cisco UCS Physical Disk sensor

Physical disk of a Cisco UCS device via SNMP

SNMP Cisco UCS System Health sensor

System health of a Cisco UCS device via SNMP

Soffico Orchestra Channel Health sensor

State and overall number of successful or failed channel calls

SSH Disk Free sensor

Free space on disks of a Linux/Unix system via SSH

SSH INodes Free sensor

Free index nodes on disks of Linux/Unix and macOS systems via SSH

SSH Load Average sensor

Load average of a Linux/Unix system via SSH

SSH Meminfo sensor

Memory usage of a Linux/Unix system via SSH

SSH SAN Logical Disk sensor

Logical disk on a SAN via SSH

SSH SAN Physical Disk sensor

Physical disk on a SAN via SSH

SSH SAN System Health sensor

System health of a SAN via SSH

TFTP sensor

TFTP server to check if a certain file is available for download

VMware Host Hardware Status (SOAP) sensor

Hardware status of a VMware host server via SOAP

Windows IIS Application sensor

Microsoft IIS server via WMI

WMI HDD Health sensor

Health of IDE disk drives on the target system via S.M.A.R.T.

High Performance Impact

Sensor

What It Monitors

Active Directory Replication Errors sensor

Windows DC for replication errors

ADO SQL v2 sensor

Database via an ADO connection

Citrix XenServer Host sensor

Xen host server via HTTP

Citrix XenServer Virtual Machine sensor

VM on a Citrix XenServer via HTTP

Dell PowerVault MDi Logical Disk sensor

Virtual disk on a Dell PowerVault MD3000i, MD3420, MD3620i, MD3000f, MD3620f, or MD3820i

Dell PowerVault MDi Physical Disk sensor

Physical disk on a Dell PowerVault MD3000i, MD3420, MD3620i, MD3000f, or MD3620f

DICOM Bandwidth sensor

Bandwidth usage of a C-STORE request to a DICOM-capable device

DICOM C-ECHO sensor

Availability of DICOM-capable systems and devices by sending C-ECHO requests to the target system

DICOM Query/Retrieve sensor

C-FIND capability of DICOM-capable systems and devices

Enterprise Virtual Array sensor

HPE Storage EVA via the sssu.exe from HPE P6000 Command View Software

Exchange Backup (PowerShell) sensor

Backups of an Exchange server via Remote PowerShell

Exchange Database (PowerShell) sensor

Database information of an Exchange server via Remote PowerShell

Exchange Database DAG (PowerShell) sensor

DAG status of a database on an Exchange server via Remote PowerShell

Exchange Mail Queue (PowerShell) sensor

Number of items in the outgoing mail queue of an Exchange server via Remote PowerShell

Exchange Mailbox (PowerShell) sensor

Mailboxes of an Exchange server via Remote PowerShell

Exchange Public Folder (PowerShell) sensor

Public folders and subfolders of an Exchange server via Remote PowerShell

File sensor

Changes to file content and file time stamp

File Content sensor

Text files (for example, logfiles) for certain strings

Folder sensor

Folder via SMB

FTP Server File Count sensor

Number of files available in the directory listing

HTTP Transaction sensor

Interactive website by performing a transaction using a set of HTTP URLs

HTTP XML/REST Value sensor

.xml file from a specified URL

Hyper-V Host Server sensor

Microsoft Hyper-V host server via WMI or Windows performance counters

Hyper-V Virtual Machine sensor

VM running on a Microsoft Hyper-V host server via WMI or Windows performance counters

Hyper-V Virtual Network Adapter sensor

Virtual network adapters running on a Microsoft Hyper-V host server via WMI or Windows performance counters

Hyper-V Virtual Storage Device sensor

Virtual storage device running on a Microsoft Hyper-V host server via WMI or Windows Performance Counters

IP on DNS Blacklist sensor

Listing of an IP address on specific blacklist servers

Microsoft SQL v2 sensor

Database on a Microsoft SQL server

MySQL v2 sensor

Database on a MySQL server

Oracle SQL v2 sensor

Database on an Oracle server

Oracle Tablespace sensor

Tablespace on an Oracle server

PostgreSQL sensor

Database on a PostgreSQL server

QoS (Quality of Service) One Way sensor

Parameters regarding the quality of a network connection between two probes

QoS (Quality of Service) Round Trip sensor

Parameters regarding the quality of a network connection between a probe and a target device at the endpoint of the connection

RADIUS v2 sensor

RADIUS server according to RFC 2865

SMTP&IMAP Round Trip sensor

Time it takes for an email to reach an IMAP mailbox after being sent via SMTP

SMTP&POP3 Round Trip sensor

Time it takes for an email to reach a POP3 mailbox after being sent via SMTP

SSH Remote Ping sensor

Connectivity between a system running Linux/macOS X and another device via ICMP echo requests and SSH

SSH SAN Enclosure sensor

SAN enclosure via SSH

Traceroute Hop Count sensor

Number of hops needed from the probe system that the sensor runs on to the IP Address/DNS Name defined in the sensor's parent device

VMware Host Hardware (WBEM) sensor

Hardware information of an ESXi server via WBEM

Windows CPU Load sensor

CPU load on a computer via WMI or Windows performance counters

Windows IIS 6.0 SMTP Received sensor

Number of received emails for a Microsoft IIS 6.0 SMTP service (Exchange 2003) via WMI or Windows performance counters

Windows IIS 6.0 SMTP Sent sensor

Number of sent emails for a Microsoft IIS 6.0 SMTP service (Exchange 2003) via WMI or Windows performance counters

Windows MSMQ Queue Length sensor

Number of messages in a message queue of the parent device

Windows Network Card sensor

Bandwidth usage and traffic of a network interface via WMI or Windows performance counters

Windows Pagefile sensor

Windows pagefile usage via WMI or Windows performance counters

Windows Physical Disk I/O sensor

I/O parameters of a hard disk on a Windows system via WMI

Windows Print Queue sensor

Print queue of the parent device

Windows Process sensor

Windows process via WMI or Windows performance counters

Windows System Uptime sensor

Uptime of a Windows system via WMI or Windows performance counters

WMI Battery sensor

Available capacity and the state of connected batteries of a Windows-based device via WMI

WMI Custom sensor

Retrieved value of a custom query via WMI

WMI Custom String sensor

Retrieved string value in the sensor message and the response time

WMI Disk Health sensor

Health of a physical disk on a Windows system via WMI

WMI Exchange Server sensor

Microsoft Exchange Server 2003 or later via WMI

WMI Exchange Transport Queue sensor

Length of transport queues of a Microsoft Exchange Server 2003 or later via WMI

WMI File sensor

File via WMI

WMI Free Disk Space (Multi Disk) sensor

Free disk space of one or more drives via WMI

WMI Logical Disk I/O sensor

Disk usage of a logical disk or mount point on a Windows system via WMI

WMI Memory sensor

Available (free) system memory on Windows systems via WMI

WMI Microsoft SQL Server 2008 sensor

Performance of a Microsoft SQL Server via WMI

WMI Microsoft SQL Server 2012 sensor

Performance of a Microsoft SQL Server via WMI

WMI Microsoft SQL Server 2014 sensor

Performance of a Microsoft SQL Server via WMI

WMI Microsoft SQL Server 2016 sensor

Performance of a Microsoft SQL Server via WMI

WMI Microsoft SQL Server 2017 sensor

Performance of a Microsoft SQL Server via WMI

WMI Microsoft SQL Server 2019 sensor

Performance of a Microsoft SQL Server via WMI

WMI Remote Ping sensor

Ping time from the remote device to the target device that is being pinged via WMI

WMI Security Center sensor

Security status of a Windows client computer via WMI

WMI Service sensor

Windows service via WMI

WMI Share sensor

Shared resource on a Windows system via WMI

WMI SharePoint Process sensor

Microsoft SharePoint server via WMI

WMI Storage Pool sensor

Storage pool via WMI

WMI Terminal Services (Windows 2008+) sensor

Number of sessions on a Windows Terminal Services (Remote Desktop Services) server via WMI

WMI Terminal Services (Windows XP/Vista/2003) sensor

Number of sessions on a Windows Terminal Services (Remote Desktop Services) server via WMI

WMI Vital System Data v2 sensor

Vital system parameters (CPU, thread, memory, network, pagefile) via WMI

WMI Volume sensor

Free disk space on a drive, logical volume, or mount point via WMI

WSUS Statistics sensor

Various statistics on a WSUS server via WMI

Very High Performance Impact

Sensor

What It Monitors

Event Log (Windows API) sensor

Event Log entries using the Windows API

HTTP Full Web Page sensor

Full download time of a web page including assets such as images

IPFIX sensor

Traffic data from an IPFIX-compatible device

IPFIX (Custom) sensor

Traffic data from an IPFIX-compatible device

jFlow v5 sensor

Traffic data from a jFlow v5 compatible device

jFlow v5 (Custom) sensor

Traffic data from a jFlow v5 compatible device

NetFlow v5 sensor

Traffic data from a NetFlow v5 compatible device

NetFlow v5 (Custom) sensor

Traffic data from a NetFlow v5 compatible device

NetFlow v9 sensor

Traffic data from a NetFlow v9 compatible device

NetFlow v9 (Custom) sensor

Traffic data from a NetFlow v9 compatible device

Packet Sniffer sensor

Headers of data packets that pass a local network card

Packet Sniffer (Custom) sensor

Headers of data packets that pass a local network card

Sensor Factory sensor

Entire business processes that involve several components

sFlow sensor

Traffic data from an sFlow v5 compatible device

sFlow (Custom) sensor

Traffic data from an sFlow v5 compatible device

SNMP Trap Receiver sensor

SNMP traps

SSH Script sensor

Value returned by the executable file or script (in one channel only) and the execution time

SSH Script Advanced sensor

Values returned by the script in multiple channels and the execution time

Syslog Receiver sensor

Syslog messages

VMware Host Performance (SOAP) sensor

VMware host server via SOAP

VMware Virtual Machine (SOAP) sensor

VM on a VMware host server via SOAP

Windows Updates Status (PowerShell) sensor

Status of Windows updates on a computer, either from Microsoft or from the local WSUS server

WMI Event Log sensor

Specific Windows logfile via WMI

Appendix