13 november 2013
After updating to DPM 2012 R2 the DPMDB says Agent unreachable in the Protection area in DPM. Looking in the Event Viewer - System Log, there is the following two error messages:
Source: DistributedCOM
Event ID: 10005
DCOM got error "1053" attempting to start the service DPMRA with arguments "Unavailable" in order to run the server: {DA6AA17A-D61C-4E9C-8CEA-DB25DEA52A95}
Source: Service Control Manager
Event ID: 7009
A timeout was reached (30000 milliseconds) while waiting for the DPMRA service to connect.
If you try to start DPMRA.exe manually in a command prompt it says that VssRequestor.dll is missing. After copying this file from another server (C:\Program Files\Microsoft Data Protection Manager\DPM\bin\VssRequestor.dll) to C:\Program Files\Microsoft System Center 2012\DPM\DPM\bin the DPMRA starts successfully.
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