When the DFS-R (Distributed File System Replication) service starts on Windows Server 2003 R2, the following event is posted:

Event Type: Information
Event Source: DFSR
Event Category: None
Event ID: 1210
Date: MM/DD/YYYY
Time: HH:MM:SS
User: N/A
Computer: <ComputerName>
Description: The DFS Replication service successfully set up an RPC listener for incoming replication requests.

Additional Information:
Port: 0

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

This informational message occurs when the DFS-R service starts, and can be safely ignored.