I recently ran into a problem with adding new host to a existing 2008 R2 Cluster , the cluster had the host installed storage mapped and joined to the cluster outside of VMM.
When trying to add the host it ended up with a Error 2927
A Hardware Management error has occurred trying to contact server VMM2012 :n:CannotProcessFilter :The data source could not process the filter. The filter might be missing or it might be invalid. Change the filter and try the request again. .
Unknown error (0x8033801a)
Check that WinRM is installed and running on server VMM2012 For more information use the command “winrm helpmsg hresult”.
Installing the agent manually ended up with the same result
running winrm quickconfig on the VMM and Hyper-V host didn’t change anything everything else seems to be working , looking though the VMM log history I found Warning (24375)
And the one thing I didn’t check , Virtual Machine Manager Agent Service on the Virtual Machine Manager Server was stopped
After starting the service I could add the new hyper-v host to Virtual Machine Manager.
So the key here is to always look at Operations Manager before starting manual troubleshooting as it would have told us right away what was causing problems.
Operations Manager + Virtual Machine Manager = Working Better Together