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How and where does PRTG store its data?

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  • What data paths does PRTG use to save data?
  • Where does it store the data?
  • What's the location of the local database?
  • Where is the configuration stored?
  • Where are reports stored?
  • Where is the "write to disk" data of the HTTP Advanced sensor and other sensors stored?
  • Where can I find the log files?

data database important logs paths prtg registry storage system

Created on Feb 3, 2010 1:25:56 PM by  Daniel Zobel [Paessler Support]

Last change on Sep 3, 2012 8:34:03 AM by  Daniel Zobel [Paessler Support]



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This article applies to PRTG Network Monitor 12 or later, as well as to previous (deprecated) versions

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.

Note: The Windows ProgramData folder is hidden by default. To show it, open the Windows Explorer, open the View tab, and select Hidden items (on Windows 10 and Windows Server 2012, works similar on other Windows versions).


Data Folder

The default setting of the data folder depends on the PRTG Network Monitor version you are using (deprecated versions 7/8, or version 9 and later), as well as on your Windows version. The paths are also different if you have upgraded from a deprecated version 7/8 versus installed a new version 9 and later.

The default data folder is located as follows, depending on your Windows version:

Windows Vista, Windows 7, Windows 2008, Windows 8, Windows 2012, Windows 10:

%programdata%\Paessler\PRTG Network Monitor

Windows XP, Windows 2003 (these Windows versions are not officially supported):

%ALLUSERSPROFILE%\Application data\Paessler\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".

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, open the PRTG Administration Tool and look up the path in the Core Server tab. You can also change the path there.


Note: For the deprecated PRTG versions 7 and 8, the paths are the following:

PRTG 7 (deprecated):

%ALLUSERSPROFILE%\Application data\Paessler\PRTG Network Monitor\V7

PRTG 8 (deprecated):

%ALLUSERSPROFILE%\Application data\Paessler\PRTG Network Monitor\V8

Files and Sub Folders in the Data Folder

The following files and folders are stored in the file system:

FileDescriptionFile Format
Log Database.dbOnly versions before 8.2: Database with the recent event history for the whole system; "Logs" in the web interface. New entries stored in Log Database sub folder.Deprecated: SQLite 3.6.10
PRTG Configuration.datMonitoring configuration (i.e. probes, groups, devices, sensors, users, maps, reports, etc.)XML
PRTG Configuration.oldBackup of previous version of monitoring configurationXML
PRTG Graph Data Cache.datPrecalculated 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.dbOnly versions before 8.2: Database with all ToDo entries; "ToDos" in the web interface. New entries stored in ToDo Database sub folderDeprecated: SQLite 3.6.10
FolderDescriptionFile Format
\Configuration Auto-BackupsBackup versions of PRTG Configuration.datZIP / XML
\Log DatabaseDatabase with the recent event history for the whole system; "Logs" in the web interfaceRaw data format (.db)
\Logs (Debug)Text file based logs of the core and probe systemText
\Logs (Sensors)Text file based debug logs of the sensors (files named after the ID of a sensor; logs are written only if activated in a sensor's settings)Text
\Logs (System)Text file based logs of the core, probe, and cluster system, the Enterprise Console, and result files for certain sensorsText
\Logs (Web Server)HTTP server log files of PRTG's web serverStandard web server log format
\Monitoring DatabaseResults of all monitoring requests for all sensors (required for historic reports)Proprietary
\Report PDFsOlder PDF reports stored in the file systemAdobe PDF
\Screenshots (Fullpage Sensor)Screen shots stored by the PhantomJS browser engine of the HTTP Full Web Page SensorJPG (in sub folders)
\StreamLogData log files for Packet Sniffer and xFlow (NetFlow, sFlow) sensors (only available if activated in sensor settings)CSV
\Support DataWhen using the Send Logs to Paessler functionality, log file data will be collected and compressed into a ZIP file. These files are stored in this folder.LOG / TXT / ZIP
\Syslog DatabaseReceived Syslog messagesProprietary
\System Information DatabaseRetrieved system information for the categories hardware, users (loggedonusers), processes, services, software, system in according subfoldersProprietary (in JSON format)
\ToDo DatabaseDatabase with all ToDo entriesRaw data format (.db)
deprecated as of PRTG 14.1.8
\Ticket DatabaseDatabase with all tickets (ticketdata.dat);
Backup created with the last successful integrity check (ticketdata.old; available as of PRTG 16.x.26)
Raw data format (.dat)
\Toplist DatabaseDatabase for historic Toplists for Packet Sniffer and xFlow (NetFlow, sFlow) sensorsRaw data format (.top);
Deprecated: SQLite 3.6.10 (.dat)
\Trap DatabaseReceived SNMP Trap messagesProprietary

Registry

All system settings (except license keys and Enterprise Console settings) of PRTG Network Monitor are stored in the registry under one of the following nodes. The exact location depends on both the kind of system you're running and the installed PRTG version (or which version was installed previously).

32 Bit Systems:

PRTG 9 or later:

HKEY_LOCAL_MACHINE\SOFTWARE\Paessler\PRTG Network Monitor

PRTG 7 (deprecated):

HKEY_LOCAL_MACHINE\SOFTWARE\Paessler\PRTG Network Monitor\V7

PRTG 8 (deprecated):

HKEY_LOCAL_MACHINE\SOFTWARE\Paessler\PRTG Network Monitor\V8

64 Bit Systems:

PRTG 9 or later:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Paessler\PRTG Network Monitor

PRTG 7:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Paessler\PRTG Network Monitor\V7

PRTG 8:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Paessler\PRTG Network Monitor\V8

Enterprise Console (PRTG 9 or later)

All settings of the Enterprise Console are stored under the following node:

HKEY_CURRENT_USER\Software\Paessler\PRTG Network Monitor\WinGUI

For example, you will find all configured PRTG core servers there.


HTTP Full Web Page Sensor

If you use the HTTP Full Web Page sensor, files might also be stored in the following cache folder on the probe system:

C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5

Note: To see this directory, you might have to edit folder options to see hidden files.


More

How can I change the data directory of my PRTG installation?

Created on Feb 3, 2010 1:34:43 PM by  Daniel Zobel [Paessler Support]

Last change on Aug 12, 2016 11:15:25 AM by  Gerald Schoch [Paessler Support]



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How can I open .top extension files, located in Toplist Database folder, for further analyze or can I export Top Talkers data to other format like. xls ?

Created on Jan 12, 2015 9:18:44 AM by  klimek25 (0)



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The .top Toplist Database files cannot be opened (exported) with other applications. Only PRTG itself can open and access these files to display the Toplists.

Created on Jan 12, 2015 9:55:34 AM by  Torsten Lindner [Paessler Support]



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I have tried removing and reinstalling PRTG twice now following this article and I still have data populated from before? The second time I tried reinstalling in a different directory even though I deleted the old one and followed every step in the article. Where is this data coming from??

Created on Sep 21, 2015 8:57:07 PM by  msegal0595 (0)



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is it planned in the future to transfer the monitoring database into an SQL database?

Created on Jan 10, 2017 1:44:59 PM by  Marco Heinrich (0) 1



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There are no plans to make the PRTG databases transfare-able to SQL DBs. Sorry.

Created on Jan 10, 2017 3:33:55 PM by  Torsten Lindner [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.