VMM tricks: SCVMM SP1 Beta Refresh Windows 2012 Cluster cause Error 2910

After building new Windows 2012 Cluster, Migrate VMs from Windows 2008 R2 Cluster to new 2012 Cluster using VMM 2012 SP1 beta. Now trying to refresh Hyper-V hosts in new Windows 2012 we see these errors

Error (2910)
VMM does not have appropriate permissions to access the resource  on the server.
Access is denied (0×80070005)

Recommended Action
Ensure that Virtual Machine Manager has the appropriate rights to perform this action.

Error (2910)
VMM does not have appropriate permissions to access the resource C:\Windows\system32\qmgr.dll on the server.
Access is denied (0×80070005)

Error (2910)
VMM does not have appropriate permissions to access the resource C:\ on the server.
Access is denied (0×80070005)

Recommended Action
Ensure that Virtual Machine Manager has the appropriate rights to perform this action.

 

A fast search got me to this forum post ..  Wes Kroesbergen provided a solution that worked like magic

 

Try the following:

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reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 1 /f
winrm set winrm/config/service/auth @{CredSSP="True"}
winrm set winrm/config/winrs @{AllowRemoteShellAccess="True"}
winrm set winrm/config/winrs @{MaxMemoryPerShellMB="2048"}
winrm set winrm/config/client @{TrustedHosts="*"}
winrm set winrm/config/client/auth @{CredSSP="True"}

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If WinRM is turned on and enabled via GPO, some of the other parameters that VMM appears to need do not get set. When you run WinRM /QC it only checks two values, and says ‘hey, everything is enabled’ without checking these other params.

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