To resolve this issue, verify the following: 1) The protected SharePoint Service Provider (SSP) is online and running. 2) ...

To resolve this issue, verify the following:
1) The protected SharePoint Service Provider (SSP) is online and running. 
2) The WSSCmdletWrapper DCOM component is configured correctly on the front-end Web server hosting the protected farm. 
 For more information, see the System Center 2012 DPM Operations Guide. 
3) Retry the operation and verify that no other application or process is trying to resume the SSP crawl during backup.