On the Services window, find Remote Procedure Call, RPC Endpoint Mapper, and DCOM Server Process Launcher services. Right-click on each of the said services and to access its Properties menu.

If you receive RPC server is unavailable message, then this post shows how to troubleshoot Remote Procedure Call failed errors & problems on Windows 11/10.

This error occurs when Windows Update is trying to communicate with the update servers but can’t establish a connection or the Remote Procedure Call (RPC) server is unavailable.

Sorry I never e-mailed you. Didn't see that last message.<BR><BR>Do the servers have SP2 installed on the servers your setting up to replicate? If not you'll need an RPC hotfix that applies to DFS ...