The Issue:

ID: 26001 – Microsoft.SystemCenter.VirtualMachineManager.2012.Report.VPortUsageCollection

Got null results from Select Connection from Msvm_SyntheticEthernetPortSettingData where InstanceId=

The “Solution”:

To be honest, there is no real solution so far, the reason is that the MP is looking for the WMI data in the “old” V1 place, and in R2 that is gone, that information is in the new namespace V2. There should be a new MP, but so far I have not seen one. So the only solution is to turn this collector of and that solves only one issue. The event log looks “nice”. In my world that’s is not a solution…

Read more:

http://support.microsoft.com/kb/2924512