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Inter-Forest AD migration - Some users getting access denied" attempting to map or use mapped drives

Posted on 2015-02-05
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Last Modified: 2015-02-14
Windows 7 client can map drives and access data when mapped this way:
1.      //IPAddress/sharename
2.      //NetBIOSName/sharename

AND can map drives but CANNOT access data when mapped this way (gets "Access is Denied"):
3.      //FQDN/sharename

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Windows 8 client can map drives and access data when mapped this way:
1.      //IPAddress/sharename

AND can map drives but CANNOT access data when mapped this way (gets "Access is Denied"):
2.      //NetBIOSName/sharename
3.      //FQDN/sharename


Any idea what's happening?
Thank you for your time in advance!
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Question by:K B
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by:Will Szymkowski
Will Szymkowski earned 500 total points
ID: 40591401
Does this happen for all users or just a few?

I would be checking the DNS suffix on the network adapters and also to ensure that the default primary suffix is appended to the name.

Also I have seen a lot of issues in relation to DNS issues due to CSC (client side caching). Not so much for Windows 8 but for Windows 7 I have.

Will.
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by:K B
ID: 40591408
Just a few.
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by:Will Szymkowski
Will Szymkowski earned 500 total points
ID: 40591418
If it is just a few then it is probably client side caching.

CSC fix for Windows 7

Will.
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Author Comment

by:K B
ID: 40591431
Actually, we had already had the user issue the command (& reboot): REG ADD "HKLM\System\CurrentControlSet\Services\CSC\Parameters" /v FormatDatabase /t REG_DWORD /d 1 /f
same issue remained.
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Will Szymkowski earned 500 total points
ID: 40592617
How are you imaging your machines? I have also seen this issue if the machines are not properly sysprep into the domain environment. Are you using sysprep to pre-stag the computer?

Will.
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