Error RPC..Fallo

Event Type: Error
Event Source: Userenv
Event Category: None
Event ID: 1053
Date: 5/17/2007
Time: 12:57:54 AM
User: NT AUTHORITY\SYSTEM
Computer: SERVIDOR2K3
Description:
Windows cannot determine the user or computer name. (The remote procedure
call failed. ). Group Policy processing aborted.

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


Alguien me podria echar 1 mano con este error...???? Aunque dice que el
RPC Fallo , YO veo el servicio STARTED..