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Terminal Server DFS Speed issues

Posted on 2013-11-01
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Last Modified: 2013-12-14
Quick background: I have a parent domain with 4 children.  Each of the four children has its own DFS domain namespace.  I have a terminal server that sits at the parent domain level that users from each of the children log into.

Parent domain DNS has entries for children domains.  Each domain suffix is added to the DNS suffix list of the terminal server.

Now the problem: While accessing the DFS spaces of multiple domains, explorer.exe will freeze up for up to a minute before loading folder contents.  Since the server is constantly in use by users from different domains, this can happen quite frequently.

I have scoured the Event Log and found no issues or errors.  It doesn't take nearly that long if I use the direct server shares that existed before I created the DFS space.  Any ideas on how to solve this would be greatly appreciated.
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Question by:Crossroads305
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by:arnold
ID: 39618341
Dfs is a referral service.  Does the local DNS on which the TS relies, includes the stub child zones? The referral comes from the child domain DC.
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by:Crossroads305
ID: 39621922
Yes, the terminal server points to the parent DNS that does contain child stub zones for each of the children.
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Expert Comment

by:arnold
ID: 39623235
What is the TTL on the DFS referral expiration?
I.e. Every 30 minutes I think is the default. Such that this is the frequency at which each client polls the DFS DC for referral reference.  A child DFS share will be sent to the child DC.
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Crossroads305 earned 0 total points
ID: 39706342
We disabled the advanced view in explorer which seems to have remedied this problem.
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Author Closing Comment

by:Crossroads305
ID: 39718506
Because we fixed it.
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