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Unstable Results by Using WMI Sensor

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I am experiencing the unstable results from WMI sensors especially for Disk Free sensor. The result of Disk Free was up and down from time to time (e.g. 80% -> 0% and 0% -> 80%). I am wondering if the issue is caused by WoW64 bug because the PRTG probe server is Windows 2008 R2 64-bit. Any one could help?

64bit windows-2008-r2-sp1 wmi-free-disk-sensor

Created on Aug 3, 2011 8:15:52 AM by  limatsao (0) 1



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It's very probably NOT the Wow64 bug because this returns incorrect values permanently. We've been reported sporadical 0 values from WMI's disk class but haven't been able to determine the cause and/or a remedy for this behavior.

However, as usual, we're very interested in solutions for such problems - so if anyone knows anything please feel free to contact us at support.paessler.com

Kind regards,

- Volker

Created on Aug 4, 2011 11:39:41 AM by  Volker Uffelmann [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.