Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ...

System Center Data Protection Manager 2012

Check the following to troubleshoot this issue: 
1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe with this DPM computer as a parameter. For details, see the DPM Deployment Guide. or
2) In DPM Administrator Console, uninstall the DPM protection agent. In the Management task area, on the Agents tab, select the protection agent, and then in the Actions pane click Uninstall.

Check the Application Event Viewer logs on the SQL Server to find out why the tail log restore may have failed. You can do ... Check the Application Event Viewer logs on the SQL Server to find out why the tail log restore may have failed. You can do ... Check the domain configuration to ensure that the DPM schema extension has been successfully applied to the Active Directory. ... Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ... Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ... Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ... Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ... Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ... Check the following to troubleshoot this issue: 1) If the agent is not installed on %ServerName;, run DpmAgentInstaller.exe ...