Upgraded from 2.1.2 to 2.1.3 Immediately got this error:
Source: EminentWare.UI.MMC.Controls
Exception occurred at 10/5/2016 9:34:41 AM: Source: Data Grid Server (VM-xx-xxxx)
Reason: Failed to send partitioned task to Management Server vm-xx-xxxx. Reason: rpcclient::createsession() failed. Access Denied. Message: Communication failure.
Access is denied.
Details: dgsrpcinterface::createsession failed!
Object: vm-xxx.xxx
Object Type: wsusserver
I've started a ticket with Support, but haven't heard anything, and was hoping someone else had seen this, and could point me in the right direction.