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AD File Server Issue

Posted on 2011-03-10
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Last Modified: 2012-05-11
Hello,

I've noticed some strange behavior within my AD domain regarding file server access.
I have a storage server 2008 file server. When I log on locally to the file server with my domain admin user account, I get access denied on folders where the DACL contains only the domain admins group. Yet when I use that same domain admin account to access the folder from another computer using the UNC path, I am able to access it fine.

It's as if the credentials are only properly checked while accessing the folder over the network. Has anyone seen this behavior?
 
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Question by:Methodman85
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oBdA earned 2000 total points
ID: 35096987
That is User Account Control on the W2k8 server; it strips the Administrator SID from your security token, unless you work with a program running "elevated" (and, no, Windows Explorer can not be started elevated).
User Account Control Step-by-Step Guide
http://technet.microsoft.com/en-us/library/cc709691(WS.10).aspx
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by:Darius Ghassem
ID: 35097516
I would check to make sure you have NTFS permissions to view as well since Share permissions will allow to view other network but NTFS allows for local access.
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by:Methodman85
ID: 35097757
So when I access the file server over the network from my Windows 7 machine It uses my administrative access token, and that's why it's able to work vs logging onto the server locally?
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Expert Comment

by:oBdA
ID: 35097857
Yes.
You can test that: start cmd.exe on the server by right-clicking it and choosing "Run as administrator". You should be able to "cd" into the folder(s) in question. You can as well start notepad.exe with elevated rights ("Run as administrator"), and then use the "Save as" dialog to browse into one of the folders.
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Author Closing Comment

by:Methodman85
ID: 35098710
Thank you, I've always wondered about this.
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