Error message while installing PRTG Core Server or Remote Probe

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When executing PRTG Network Monitor Setup or PRTG Remote Probe Installer setup.exe files, I get one of the following error messages:

You can not install a PRTG core server while a remote probe is installed. Please deinstall PRTG probe first!

Sorry. This machine already has a full installation of PRTG Network Monitor. You can not install just the Remote Probe, you have to update the full installation.

What can I do?

core-server core-service installation prtg remote-probe-install remote-probe-service

Created on Mar 14, 2011 8:51:56 AM by  Daniel Zobel [Paessler Support] (24,941) 3 3



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Repair an Installation

This message should never show up for healthy installations of PRTG. Somehow the installation of PRTG has been mixed up.

You cannot install a remote probe on a system on which a PRTG core server is already installed. Likewise, you cannot install a PRTG core server on a system running a remote probe.

The preferred solution is to uninstall the installed PRTG product, delete the {program files}\PRTG Network Monitor folder and delete the PRTG Network Monitor registry key.

If this is not an option you can also try the following not officially supported method:

You Want to Install a PRTG Core Server

The locally installed probe must be set to "Act As Local Probe". To install a PRTG core server on a system you have already installed a remote probe on, please

  • Open the PRTG Probe Administrator application from the Windows start menu.
  • In the Probe Settings tab, change the setting for Connection to PRTG Core Server to Act as Local Probe.
  • Save your settings and confirm restart of PRTG services.

You can now proceed with the installation of PRTG core server on this machine.

You Want to Install a Remote Probe

The "PRTG Core Server" service must not be installed on a system where you want to install a remote probe. To uninstall the core server service, please open a command line window and move to the folder where PRTG is installed:

  • On 64 bit systems: cd "%ProgramFiles(x86)%\PRTG Network Monitor"
  • On 32 bit systems: cd "%ProgramFiles%\PRTG Network Monitor"

Now enter the following command:

"PRTG Server.exe" -uninstall -silent

You can now proceed with the installation of a PRTG remote probe on this machine.

Created on Mar 14, 2011 9:04:32 AM by  Daniel Zobel [Paessler Support] (24,941) 3 3

Last change on Mar 15, 2011 9:34:43 AM by  Daniel Zobel [Paessler Support] (24,941) 3 3



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