Windows 2003 Server, Browser errors

Ok this will be hard to explain, especially since the problem is related to a customized app...

Windows 2003 Server, connected to AD domain...

The application basically is a over glamorized file transfer program that transfers files from remote PC's to the server PC....The application also exists on the remote PC's... and copies files from the remote PC to the server.

The server file transfer runs about every 5 minutes and connects to about 18 sites...After about an hour, all the sudden I get errors 8021 and 8032 in the event logs, which are related to the browser service.  Is there anything anyone can think of that would be related to an application that makes several SMB connections to remote PC's, that are not on the domain, that would cause these browser errors...
jtoatesAsked:
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jtoatesAuthor Commented:
This problem was related to the Custom app and has since been resolved.  Thanks for the input
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jhautaniCommented:
Have you checked the Microsoft KB article: http://support.microsoft.com/kb/135404.
I suggest that if your server is not in the Browser Master list which can be retrieved with command 'browstat sta', you disable the browser service.
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ChiefITCommented:
The master browser service, by default, uses Netbios broadcasts from the clients to populate the browse list. What Microsoft failed to realize is these broadcast messages will not go over a firewall, NAT box, to different subnets, through a VPN tunnel or any other blocking method. The default Master Browser configuration requires your Server has to be within the same subnet mask, IP range and not have any other things blocking UDP ports (137 and 138 I believe).

To overcome this problem, you can elect the Mater browser to have a different setup. This setup requires WINS. I have a link that describes this in greater detail than I can provide you. So, without further adue, here it is.

http://www.microsoft.com/resources/documentation/windowsnt/4/server/reskit/en-us/net/chptr3.mspx?mfr=true

About 7/8 of the way down, you will see how to set up the Master Browser using the WAN configuration. For your application, I think it is necessary for you to configure your master browser list in the WAN configuration using WINS instead of netbios over TCPIP broadcasts from the clients.
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jtoatesAuthor Commented:
Thanks for the comments, but the server that is getting the browser errors is located in the same domain and subnet that the master browser is located at...One of the errors (8032) is related to not being able to receive a list of servers from the backup master browser, which again is in the same domain and subnet.  From what I can tell the browser errors are not related to the application not being able to do a task, I think the application is causing the errors.  The other errors I receive are 5719 (not enough storage to process the command)...This application I think has a few memory leaks, because as it runs it increments virutal memory until finally I get VM errors on the server and I have to stop and restart the application.
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ChiefITCommented:
Are you getting a full list of computers in My Network Places?

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jhautaniCommented:
What antivirus sotware are you using?
We once had the same 'Not enough storage...' errors on our file server. The culprit was McAfee VirusScan leaking memory. They had a patch available and the error went away.
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ChiefITCommented:
Could be that you have two master browsers on the same subnet. Sometimes clients, mass storage devices and other nodes can take over as master browser. Master browser conflicts are not uncommon. Let us know if you need further assistance.

John
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