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Can't Access Network File Shares

I have a single Windows Server 2003 box set up as the domain controller on our network.  This machine also acts as our fileserver.  Until recently, it has always worked with no problems whatsoever.  However, a couple days ago, one of the users did a hard reset of the server, and corrupted some files in the process.  Because of this, I had to do a repair (in-place) re-install of Windows.  I got everything up and running just fine.  Users are able to log into the domain, and everyone has full access to their Exchange e-mail (also on the same server).  However, we are unable to access any of our network shares.  Whenever I type the name of a network share to access, Windows comes back with a username and password prompt, even though I am logged into my machine as a domain administrator.  I try the usernames/passwords of several different users (other domain admins), and nothing works.  I have checked both the share permissions and NTFS permissions and can't find any problem there (they are the same as when they worked before the re-install).  I am even unable to access the shares while logged in locally to the server.  (I can access the folders through the filesystem, but not through the network share name).  Because of this, group policy is also not able to process, because none of the machines can read the SYSVOL share over the network.  Any help anyone could offer would be greatly appreciated.  
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Cadefassett
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Cadefassett
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2 Solutions
 
Lee W, MVPTechnology and Business Process AdvisorCommented:
Event Log messages?
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CadefassettAuthor Commented:
That's the weird thing.  The security log shows a "Success Audit" for every logon that I try, and no other messages show up in the event log.  So the credentials are being passed to the server, and authenticated successfully in Active Directory, but I am still unable to access the shares.  It just spits the password prompt back at me over and over again.
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CadefassettAuthor Commented:
I also just noticed that I get an "Access Denied" error message whenever I try to access certain administrative features.  I can add users to AD, and change group memberships, etc., but when I try to access the "Dial-in" tab, I get an access denied message.  I also get an acccess denied message whenever I try to administer WINS.
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mustbconfusedCommented:
I would run chkdsk on the server. It will probably ask you to restart to run but it sounds like you may still have some corruption in the Fat table of the disk. chkdsk should fix it and repair damaged files. <--I would have recommended this before you rebuilt the server as well. You can also check shares by typing net share at the command prompt.

You can determine if a volume is dirty by using the fsutil dirty query command.
To query the dirty bit on drive C, type:
fsutil dirty query C:
Sample output:
Volume C: is dirty
or
Volume C: is not dirty

Hope this helped
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CadefassettAuthor Commented:
I did a chkdsk when I rebuilt the server.  But just to make sure, I just did an fsutil, and the query came back not dirty.

Another thing I have discovered: I recently tried unjoining the domain, and joining back to the domain, to see if something had gotten messed up with the computer accounts or something.  Now, when I try to join the computer to the domain, I get an access denied error, no matter what username I use to join.
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mustbconfusedCommented:
Sounds like your SAM is corrupt. When you did the inplace repair did you press F8 when the server started up and choose Active Directory Repair? If not this may be why your SAM is not working correctly.

Another possibility is that your SID is the issue.
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