Active Directory FSMO keeps searching for non-existent DC

I have a network operating with a single FSMO on which I recently removed a reference to a non-existent domain controller in another site (it is non-existent because a connection between the two was never made)...  Long story short I had one HELL of a time getting rid of it, but finally it appears to be gone...

That is until I started packet sniffing with Ethereal.  Every few minutes I notice that the FSMO server is sending out a broadcast over NBNS "Name query NB OCULUS-NL<00>"

I can't find any reference to this server on the FSMO in Active Directory, but something MUST be hiding in there somewhere.  I also notice that when I log into my XP workstation that the OCULUS domain is listed as an option to log in, separate from our primary domain option - where in the world is this coming from?  FINALLY...  The system event log spits out (every two hours):

Event Type:      Error
Event Source:      NETLOGON
Event Category:      None
Event ID:      5719
Date:            3/24/2004
Time:            4:09:47 PM
User:            N/A
Computer:      FILESERVER
Description:
No Windows NT or Windows 2000 Domain Controller is available for domain OCULUS. The following error occurred:
There are currently no logon servers available to service the logon request.  
Data:
0000: 5e 00 00 c0               ^..À    

Please help!!
This is driving me to the brink of making it a triple-shot in the morning.

clayperezAsked:
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wei2aliCommented:
If you don't know where to find LMHOSTS file (c:\windows\system32\drivers\etc\lmhosts), it's most probably not connfigured.

From the link in my previous post, there's one place worth checking out, namely, the site trust. Quote:

"David (Last update 1/14/2004):
This can happen if you have a domain name specified under "Active Directory Domains and Trusts" that does not exists or cannot be reached. To fix the problem go to "Start->Programs->Administrative Tools->Active Directory Domains and Trusts". Right click your domain name and select Properties. Go to the Trusts tab and delete any trusted domains that do not exist or cannot be reached."

As for the WINS-management snap in, you can find active registrations in the following way:
Open WINS-management snap-in, on the left pane of the console, select your WINS-server, right click (or select Action from the menu-bar), select Active Registrations-->Display records, then a pop-up window shows up, from the bottom, click Find Now-button.
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wei2aliCommented:
Do you have a WINS set up in your server? Sounds like the WINS-database still has a record pointing to the non-existent domain.
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clayperezAuthor Commented:
In the WINS snap-in I only have a single server visible and within that server and all of the listings there are no references to OCULUS.  When I click on either the registration or replication folders I get a standard empty message and no specific listings.  Server Status lists "responding"

I can't seem to identify a problem using the snap-in with WINS.
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wei2aliCommented:
Under WINS-manager, on the console tree select "Active Registrations", right click --> Display records, then click on Find Now when prompted. You can see all active registrations there.
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wei2aliCommented:
Just looked through this site: http://www.eventid.net/display.asp?eventid=5719&source=

It's pretty surely a WINS/NETBIOS problem. If you couldn't verify the problem in your WINS-server, look through LMHOSTS-file and see if the entry's there.
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clayperezAuthor Commented:
I tried finding the "Display Records" option per your comment but I could not find it by right-clicking on Active Registrations in the WINS snap-in.  Is this because I don't have WINS properly configured?  I'm not sure where else to look for this entry.

I do not know how to look through the LMHOSTS file.  I will give that a shot.  If you have any pointers on this please advise.  I feel like I have scouered through just about everything and cant find a reference to OCULUS-NL, yet the messages still keep getting generated (both over the network and in the event log)

GRrrr!

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clayperezAuthor Commented:
I'm just not having any luck with this.  I still get the NETLOGON event error every two hours.

I DID find a reference to the OCULUS domain in WINS after displaying the records.  They were listed as extinct so I removed them completely.  I STILL get the event error every two hours.

Haunting?
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