This article applies to PRTG Network Monitor versions 7 and 8
How PRTG Network Monitor Stores its Data
PRTG Network Monitor writes data to several locations:
- Into the program directory (core installation)
- Into the data folder (monitoring configuration, monitoring data, logs, etc.)
- Into the registry (license key, admin login, IP settings, etc.)
Program Directory
By default, PRTG's setup program stores the core installation in one of the following directories:
%programfiles%\PRTG Network Monitor
or
%programfiles(x86)%\PRTG Network Monitor
Tip: To directly open an Explorer Window showing the respective folder, click on "Run..." in the Windows Start Menu (shortcut Windows+R), paste the path above into the "Open:" field and click "OK".
However, the default setting can be changed during setup. To find the right path for your PRTG installation, please look it up in the Properties of your Start Menu's PRTG icons.
Data Folder
The default setting of the data folder depends on the PRTG Network Monitor version you are using (7 or 8). The paths are also different if you have upgraded from version 7 versus installed a new version 8.
On all Windows versions, the default data folder is located at either
%ALLUSERSPROFILE%\Application data\Paessler\PRTG Network Monitor\V7
or
%ALLUSERSPROFILE%\Application data\Paessler\PRTG Network Monitor\V8
Tip: To directly open an Explorer Window showing the respective folder, click on "Run..." in the Windows Start Menu (shortcut Windows+R), paste the path above into the "Open:" field and click "OK".
Note: Depending on the language and version of your Windows installation you might need to translate the substring Application data into your Windows installation's language (for example Anwendungsdaten for some German Windows versions).
However, the default setting can be changed. To find the right path for your PRTG installation, please go the PRTG Server Administrator and look up the path in the Core Server tab. You can also change the path there.
Files and Sub Folders in the Data Folder
The following files and folders are stored in the file system:
| File | Description | File Format |
| Log Database.db | Database with the recent event history for the whole system | SQLite 3.6.10 |
| PRTG Configuration.dat | Monitoring configuration (i.e. probes, groups, devices, sensors, users, maps, reports, etc.) | XML |
| PRTG Configuration.old | Previous version of monitoring configuration | XML |
| PRTG Graph Data Cache.dat | Precalculated data for the graphs throughout the web interface (if missing, this file is automatically recalculated from the files in the "monitoring database") | Proprietary |
| ToDo Database.db | Database with all ToDos | SQLite 3.6.10 |
| | |
| Folder | Description | File Format |
| \Configuration Auto-Backups | Backup versions of PRTG Configuration.dat | ZIP / XML |
| \Logs (Debug) | Text file based logs of the core and probe system | Text |
| \Logs (System) | Text file based logs of the core and probe system, and result files for the HTTP Advanced sensor | Text |
| \Logs (Web Server) | HTTP server log files of PRTG's web server | Standard web server log format |
| \Monitoring Database | Results of all monitoring requests for all sensors (required for historic reports) | Proprietary |
| \Report PDFs | Older PDF reports stored in the file system | Adobe PDF |
| \StreamLog | Data log files for Packet Sniffer and xFlow (NetFlow, sFlow) sensors (only available if activated in sensor settings) | CSV |
| \Toplist Database | Data for historic Toplists for Packet Sniffer and xFlow (NetFlow, sFlow) sensors | SQLite 3.6.10 |
Registry
All settings (except license keys) of PRTG Network Monitor are stored in the registry under one of the following nodes, either
HKEY_LOCAL_MACHINE\SOFTWARE\Paessler\PRTG Network Monitor\V7
or
HKEY_LOCAL_MACHINE\SOFTWARE\Paessler\PRTG Network Monitor\V8
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