Update Rollup 2 for Microsoft System Center 2012 Service Pack 1 (SP1) is now available and includes the following updates for Data Protection Manager:
Issue 1: An express full backup job in System Center 2012 Service Pack 1 may stop responding on a Hyper-V cluster that has 600 or more virtual machines. Issue 2: When a System Center 2012 Service Pack 1 item level restore operation is performed on a SharePoint host header-based site collection, the restore operation is unsuccessful. Issue 3: When you open Data Protection Manager on a computer that is running System Center 2012 Service Pack 1, the Welcome screen does not indicate the correct version of Service Pack 1. Issue 4: When you perform a disconnected installation of the Data Protection Manager 2012 Service Pack 1 agent, you receive the following error message: Protection agent cannot be installed on a machine where DPM is installed. Issue 5: When you use Data Protection Manager 2012 Service Pack 1 for tape backup, you receive the following error message: The operation failed because of a protection agent failure. (ID 998 Details: The parameter is incorrect (0x80070057)) Issue 6: Backups of CSV volumes may be unsuccessful with metadata file corruption in Data Protection Manager 2012 Service Pack 1. Issue 7: The Data Protection Manager console may require more time to open than expected when many client systems are being protected.
You can get all the details and a download link here: