DCOM was unable to communicate with the computer

In the eventlog the folowing entry keeps comming, what is the cause of this
and how can i solve the problem?

For your information, the Windows 2003 DC is in an 192.168.1.0/24 network
segment and the address that cannot be communicated with is a forwarder for
the dns server.

logfile: System
Time: 2006-11-02 07:10:29
Event type: EVENTLOG_ERROR_TYPE
Computer: ATLAS
User: None
Source: DCOM
Category: None
Record number: 2777
Event ID: 10009
Occurrences: 1
Message:

DCOM was unable to communicate with the computer 172.17.1.3 using any of the
configured
protocols.

In my case the message comes for a short duration(4-5 days contineously) and than stops for next 3 months or so and returns back.

I had tried all the above solutions but to no avail

pl help anybody!!!!

thanks in advans

see if this helps in my case it did't
1. Bring up the Component Services Administrative tool. On the Start menu, point to Programs, Administrative Tools, and then click Component Services.
2. In the console tree of the Component Services Administrative tool, right-click the computer on which you want to configure the protocol, to bring up the context menu.
3. Click the Properties menu to bring up Computer Properties dialog box.
4. Click the Default Protocols tab.
5. If you have any of the Datagram protocols (UDP/IP or IPX) protocols listed here, click to select, and then click Remove.
6. If you do not have any of the connection-oriented protocols in the list, click Add to bring up Select DCOM protocol and endpoint dialog box.
7. Choose Connection-oriented TCP/IP Protocol as the protocol sequence, and then click OK.
8. Add any or all of the connection-oriented protocols to the default protocols this way.
9. Move Connection-oriented TCP/IP Protocol to the top of the list.
10. Restart the computer for the changes to take effect.
also Check the network connections. Check the Registry under HKEY Local Machine/Software/Microsoft/RPC/DCOM Protocols for the list of RPC protocol sequences.

If any other solution pls let me know

User Action:
Check the network connections. Check the Registry under HKEY Local Machine/Software/Microsoft/RPC/DCOM Protocols for the list of RPC protocol sequences.

You can also check for numerous suggestions given here - http://www.eventid.net/display.asp?e...e=DCOM&phase=1