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Can't access DFS shares on the DFS server

Posted on 2014-01-08
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Last Modified: 2016-05-31
DFS has been running well for 2 years.  It is configured as domain based.
Issues popped up this week with users not having access to DFS shares.
From the users pc, the actual shares from various servers were available.

After a reboot of DFS server (W2K8r2) and the DC server (W2k8r2), users began regaining DFS shares properly.
On the DC, while creating a user account with AD, a drive mapping could not be created using DFS mapping.  After checking, I found the DFS Server and the DC Server were unable to see the DFS shares, but the actual shares were mappable.
I can use my AD account to log into other servers and/or pc's and the DFS mappings appear properly.  I can't log into either DFS related servers and see DFS mappings.
This also makes it impossible to use the DFS management tool from the DFS server.
I was hoping someone might have some troubleshooting tips.  Thanks
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Question by:tlv4205
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4 Comments
 
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by:Steve
ID: 39770502
there may be two issues here.

With the DFS shares, start by checking DNS records and namespaces, as this is the main way the share is resolved to a particular DFS server (which you have stated works as a standalone share via the server directly)

with regard to not being able to log on, is that specific to one account or several accounts that should be able to log into the server?
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by:McKnife
ID: 39771900
I am not sure if I got what you are saying. It reminds me of something I experienced: the server that holds the share cannot access his own DFS share though the share is accessible by all other computers - that was a bug in DFS, known to Microsoft.
Is that your problem?
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tlv4205 earned 0 total points
ID: 40303932
Sorry about the slow response.  I have found the answer to this issue.  It required two Microsoft support technicians and about 3 days.  The final technician used netmon on the two DFS servers and one user having the mapping issue.
Turns out, our central headquarters IT was following a new plan (I knew nothing about it).  They created an RODC along with our normal DC.  Netmon showed the RODC receiving information, but not responding as a DC should.
The RODC was incorrectly configured and caused the issue.  Once reconfigured all worked well.
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