Error DCOM ID: 10009

Hola,
Quería pedir ayuda sobre el siguiente error que está apareciendo de manera
reiterada en mi servidor Windows 2000 Service Pack 4, con SQL 2000.

Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10009
Date: 1/20/2009
Time: 11:07:06 AM
User: NT AUTHORITY\SYSTEM
Computer: SRV-SERVER1
Description:
DCOM was unable to communicate with the computer srvdc01 using any of the
configured protocols.

Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10009
Date: 1/20/2009
Time: 11:07:06 AM
User: NT AUTHORITY\SYSTEM
Computer: SRV-SERVER1
Description:
DCOM was unable to communicate with the computer 192.168.1.20 using any of
the configured protocols.

Si alguien tiene alguna informacion de como sacar este error.

Saludos y Gracias,

Julio