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Does PRTG impair my Citrix environment?

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Since I monitor my Citrix XenApp servers with PRTG, the connection between the XenApp Delivery Controller and the terminal servers always drops as soon as monitoring is active.

Is this an issue of PRTG? How can I monitor Citrix XenApp servers with PRTG without any impairments?

citrix disconnect error impairment prtg rdp rdp-sensor xenapp

Created on Oct 24, 2014 12:35:45 PM by  Gerald Schoch [Paessler Support]



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This article applies to PRTG Network Monitor 14 or later

Monitoring Citrix XenApp Servers without Disconnects

PRTG does not cause problems in Citrix environments directly. The disconnects of XenApp terminal servers are the result of an error in the Citrix service that appears after the logoff of a RDP session.

In this case, the affected server changes into the status “unregistered” for a few seconds. If you monitor the server with the RDP sensor, this status change happens with every sensor scan.

You can resolve this issue with the Citrix private hotfix LC0251 that is specific to these RDP session disconnects. Apply this fix to your Citrix XenApp servers and the problem does not appear anymore if you monitor the Citrix environment with the RDP sensor.

Created on Oct 24, 2014 12:36:50 PM by  Gerald Schoch [Paessler Support]

Last change on Oct 24, 2014 1:00:18 PM by  Gerald Schoch [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.