We are getting the following error (see below). We have already installed DPE Server and Client and configured all DCOM setting as specified in the DCOM documentation. The client machine is able to connect to a separate server that has the same DCOM settings, but we are not able to connect the new server we are setting up. We are running Windows Server 2003 (as server)and Vista (as client).
Any help would be greatly appreciated. We have been troubleshooting this for 6 hours now… 
_______________________________________
SubSystem: Client::DPFFrame
Error: CoCreateInstanceEx PoolingServer
Error Information: The server process could not be started because the configured identity is incorrect. Check the username and password.
Time: 2/4/2010 10:10:31 AM, Excep.-Id: DPE5-PC-3160-2836-1265296231-0-11394-32
_______________________________________