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Home > Success Center > Server & Application Monitor (SAM) > SAM - Knowledgebase Articles > AppInsight for Exchange is unable to poll mailboxes

AppInsight for Exchange is unable to poll mailboxes

Updated June 30, 2017

Overview

SAM 6.4 Hotfix 2 addresses an issue where AppInsight for Exchange is unable to poll mailboxes when at least one of them has an invalid WhenChanged property.

Environment

  • SAM 6.4

Cause 

You can identify the issue by the following error message visible in SAM logs: SolarWinds.APM.Probes.CustomPowerShellProbe - Error found in results: Exception setting "LastModified": "Cannot set Column 'LastModified' to be null. Please use DBNull instead."

You may receive this error after installing SAM 6.2 or later

Resolution

In case you encounter the symptoms mentioned above, contact SolarWinds Customer Support.

 

 

 

 

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