To troubleshoot common RPC error messages, like:

- The remote procedure call failed and did not run.

- The replication generated an error (1727): The remote procedure call failed and did not execute.

- RPC Server is unavailable.

See Microsoft Knowledge Base Article 911799, which contains the following summary:

This article describes how to troubleshoot the error messages that you may receive when a remote procedure call (RPC) fails in a Microsoft Windows Server 2003-based domain or in a Microsoft Windows 2000 Server-based domain. This article includes possible causes and information to help you work around this problem.