DPM 2012 R2 system state backup fails on Windows 2012 server

Just a quick one. One of our few 2012 non R2 servers gave an error when trying to create a recovery point:

 

The following alert occurred at 10/7/2014 10:24:03 AM.

The replica of Non VSS Datasource Writer on server.domain.local is inconsistent with the protected data source. All protection activities for this data source will fail until the replica is synchronized with consistency check.DPM failed to create the backup. If you are backing up only System State, verify if there is enough free space on the protected computer to store the System State backup. 
On protected computers running Windows Server2008, verify that Windows Server Backup (WSB) is installed and that it is not performing any other backup or recovery task.

The resolution is mentioned in the last line of the error. Don’t let the Windows Server 2008 fool you, 2008 R2 and 2012 both need the feature installed if you need a System State backup.

For 2012 Server you can simply use the following command:

No reboot is needed.

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