During the any of the OCS\Lync tasks you will see the following error.
WMI query <SELECT InstanceID,PoolFQDN,PoolMemberList FROM MSFT_SIPPoolSetting> falied while doing Front End Server discovery: IDispatch error #3601
And error occurred and the gathering will now stop. The error message is : IDispatch error #3601
Task canceling in response to user or service.
The OCS 2007 R2 Tools are having issues. If you open the OCS 2007 R2 Tools you will get the following error :Failed while reading the server information from WMI. error"
Uninstall and reinstall the OCS 2007 R2 Administrative Tools.