Redirected desktop icons disappear

We are running a full windows 2003 server environment.   We have all users desktop and my documents being redirected to server B.  They are using local profiles on the machine.  After a unkown amount of time their icons my disappear from their desktop.  After refreshing the desktop all icons reappear.  Any suggestions?
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Stephen MandersonSoftware EngineerCommented:
Sounds like the connection to the server is lost and the clients read the server as offline.

I have encountered this on my own network a few times and found that it was a faulty NIC causing random disconnections.

You may want to have a look at offline synchronization. in you're GPO


set this to ffffffff (never)
carchibaldAuthor Commented:
Sys prep resolved the issue
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carchibaldAuthor Commented:
Machines had duplicate sids
ha! nice!
Closed, 500 points refunded.
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Windows Server 2003

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