IT Support Services Blog

When you run Validation of your Hyper-V cluster you may get following Error:

Validate Cluster Network Configuration
Validate the cluster networks that would be created for these servers.
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.

This Error usually comes when you have completely Windows 2008 Domain Controller. To Resolve this error

1) Login to your domain controller using domain admin rights

2) Click on start -> run> dcomcnfg

3) Expand Component services -> Computers and right click on My Computer and click on properties

4) Go to Default Properties tab

5) Under default impersonation level select impersonate and apply it.

6) reboot your Domain controller and then try validation again.

Note: if your validation still fails. Dis-join machines from domain and rejoin and try again.