Before you start troubleshooting, consider whether any of the following blocking issues might apply to your situation. For more information about resolving issues with agents, see Troubleshooting Your DPM Installation in the DPM 2007 Deployment Guide (http://go.microsoft.com/fwlink/?LinkId=91950).
DPM Protection Agent Will Not Install on a Computer
- Is the computer connected to the network and can it be remotely
accessed from the DPM server?
Both the DPM server and the computer to be protected must be connected to the network during installation of a protection agent.
- Does the protected computer have a supported Windows operating
Verify the operating system on the computer to be protected.
- Is a firewall enabled on the computer to be protected that
could be blocking requests from the DPM server?
If a firewall is enabled, you need to configure the firewall to allow communication between the DPM server and the computer to be protected.
- Is a firewall enabled on the DPM server?
If a firewall is enabled, you need to configure the firewall to allow installation of a protection agent on the computer.
- Has a previous version of the protection agent already been
installed on the protected computer?
You cannot install two versions of the protected agent on the same protected computer.
- Is the Remote Registry service running on the computer to be
The Remote Registry service must be running on both the DPM server and the computer before you can install a protection agent. In Administrative Tools, start the Remote Registry service and then install the protection agent.
- Is Remote Procedure Call (RPC) unavailable?
RPC must be available. See Microsoft Knowledge Base article 224370, Troubleshooting RPC Server is Unavailable in Windows (http://go.microsoft.com/fwlink/?LinkId=45817).
- Is the boot volume on the computer formatted as file allocation
Convert the boot volume to NTFS file system if you have sufficient space.
DPM Protection Agent Will Not Uninstall from a Computer
- Is the protected computer disconnected from the network?
To uninstall a protection agent, the protected computer must be connected to the network.
- Was the protected computer renamed or moved to another
Active Directory domain after the protection agent was
To uninstall a protection agent, the protected computer must have the same name and be in the same domain as it was when the protection agent was installed.
Uninstall the agent locally, and then remove the entry from DPM Administrator Console.
DPM Protection Agent Is Incompatible with DPM or Other Software
- Did you upgrade the DPM software without updating the
To determine whether an agent update is available, check the Agents tab in the Management task area.
- Did you upgrade a protection agent by using Microsoft Update
before DPM received the corresponding server update?
Because Microsoft Update can occur automatically, ensure that the protection agent and DPM are compatible.
An Error Occurred When the Agent Operation Attempted to Communicate with the DPM Agent Coordinator Service on the Specified Computer
- Did you check the COM permissions?
Verify COM permissions on the protected computer. See Troubleshooting Protection Agent Installation Issues in the DPM 2007 Troubleshooting Guide (http://go.microsoft.com/fwlink/?LinkId=91952).