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PRTG Recovery Stuck in Preload Graph



Dear all,

I run into a problem when trying to reconvery a valid PRTG Configuration.dat.

The process starts normally but stuck at 11:31:28 - 60% - Preload Graph Cache 178/994. It is just running for 24 hours with no progress.

Could you point out how I can solve this issue?

Best Regards,

backup prtg prtg-network-monitor

Created on Nov 26, 2019 2:37:33 PM

1 Reply



Hey gsoares,

thanks for your KB-posting.

In this case, please rename the file PRTG Graph Data Cache.dat (which can be found in PRTGs EXE folder) from .dat to .dat.old and re-start the PRTG Core Server service afterwards again. This will trigger a recalculation of the Graph Cache (which will take some time) but PRTG should be able to start up properly again.

Best regards,
Sven Roggenhofer [Paessler Technical Support]

Created on Nov 27, 2019 5:52:17 AM by  Sven Roggenhofer [Paessler Technical Support]

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.