Check the following: 1) If %ServerName; is protected by another DPM server, you cannot install the protection agent on it. ...

Check the following:
1) If %ServerName; is protected by another DPM server, you cannot install the protection agent on it.
2) If the DPM Agent Coordinator service is installed on %ServerName;, use Add or Remove Programs in Control Panel on %ServerName; to uninstall it.
3) If another protection agent management job is running on %ServerName;, wait for it to complete, and then retry the operation.

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: 1) If %ServerName; is protected by another DPM server, you cannot install the protection agent on it. ... Check the following: 1) If %ServerName; is protected by another DPM server, you cannot install the protection agent on it. ... Check the following: 1) If %ServerName; is protected by another DPM server, you cannot install the protection agent on it. ... Check the library door and ensure that it is closed properly. If the door is not closed, close it and then retry this operation. ... Check the parameters that you are passing to the cmdlet and ensure that these parameters correspond to the data source type ...