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Cluster Validation Error: An error occurred while executing the test. There was an error initializing the network tests. There was an error creating the server side agent (CPrepSrv). Creating an instance of the COM component with CLSID {E1568352-586D-43E

Posted by Brajesh Panda on May 8, 2011

While building failover cluster under one of my friend faced bellow error during validation phase.

An error occurred while executing the test. There was an error initializing the network tests. There was an error creating the server side agent (CPrepSrv). Creating an instance of the COM component with CLSID {E1568352-586D-43E4-933F-8E6DC4DE317A} from the IClassFactory failed due to the following error: 80070005

After some investigation & research on we found this error is applied to Windows 2008 Domain based networks.

Fix:

è Log On to Windows 2008 Domain Controller

è Open DCOMCONFG from start – run

è Expand Component Services -> Computer

è Right Click My Computer -> Select Default Properties Tab

è Under Impersonation Level Default Impersonate & Click Apply

è Reboot Domain Controller & Try Validation Again

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2 Responses to “Cluster Validation Error: An error occurred while executing the test. There was an error initializing the network tests. There was an error creating the server side agent (CPrepSrv). Creating an instance of the COM component with CLSID {E1568352-586D-43E”

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