From the command prompt, type DPMAgentInstaller.exe dpmservername to install the protection agent on the protected computer. ...

From the command prompt, type DPMAgentInstaller.exe  [dpmservername] to install the protection agent on the protected computer. Then attach the protection agent to the DPM server using the Protection Agent Installation Wizard. 
OR
 Verify the following: 
1) %ServerName; is online and remotely accessible from the DPM server.
2)A firewall if enabled on  %ServerName; is not blocking WMI requests from the DPM server.
3) The WMI service on %ServerName; is running.

For the members that you have specified not to format the custom volumes (in Disk Allocation Dialog earlier), the selected ... For Windows Server 2003 computers, ensure KB 942486 is installed. To download this update, go to http://go.microsoft.com/fwlink/?LinkId=148822 ... For Windows Server 2003 computers, ensure KB 942486 is installed. To download this update, go to http://go.microsoft.com/fwlink/?LinkId=148822 ... For Windows Server 2003 computers, ensure KB 942486 is installed. To download this update, go to http://go.microsoft.com/fwlink/?LinkId=148822 ... From the command prompt, type DPMAgentInstaller.exe dpmservername to install the protection agent on the protected computer. ... From the command prompt, type DPMAgentInstaller.exe dpmservername to install the protection agent on the protected computer. ... From the command prompt, type DPMAgentInstaller.exe dpmservername to install the protection agent on the protected computer. ... From the following list, select the instance of SQL Server to which each database must be recovered. By default, DPM will ... From the following list, select the instance of SQL Server to which each database must be recovered. By default, DPM will ...