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Home > Success Center > Network Performance Monitor (NPM) > Polling failed error on the Additional Polling Engine

Polling failed error on the Additional Polling Engine

Updated March 10, 2017


The below message occurs when trying to poll in an APE in NPM 11.5.x.

Poll failed

poll failed.PNG


NPM 11.5.x


Logs show MSMQ errors (generated every minute) and WMI performance adapter errors. And MSMQ unable to create new files anymore.


Verify disk space on OS drive, clean temp folders afterstopping Orion Services.


Last modified
22:16, 9 Mar 2017