Manual DNS and blocking mapped drives

If I set my DNS manually on my pc. When trying to access any network drives I get an error.  " the system detected a possible attempt to compromise security please ensure that you can contact the server that authenticated you."   It's server 2008.  I can ping it.

What am I doing wrong?
fyrfyter88Asked:
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footechConnect With a Mentor Commented:
If you're using a DNS server that has no knowledge of internal Active Directory resources, you're going to have trouble.

You should still be able to access internal resources by specifying the IP, that way it will use NTLM authentication instead of Kerberos.  But the takeaway is that domain-joined machines should only ever use DNS servers that hold AD records if you want them to communicate with AD resources.
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No MoreCommented:
Well if you are in Domain environment you should have domain DNS IP address as primary

Isn't NAP role enabled on the server ?
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fyrfyter88Author Commented:
We have installed Comcast recently and are having some connectivity issues. The connection cuts off and on. I wanted to just cut out the local DNS server and see if it helps. Their is probably a different issue but I'm trying to make sure their is nothing wrong on my local network side before I blame Comcast.  Thoughts?    

Not sure what NAP Role is?
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No MoreCommented:
use powershell command :   Test-ComputerSecureChannel -verbose
and post output
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fyrfyter88Author Commented:
Will do tomorrow.
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fyrfyter88Author Commented:
VERBOSE: "The secure channel between 'ATFDPC14-OFCR' and 'atfd.local' is alive and workin
g correctly."
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No MoreCommented:
Unjoin the computer from domain and rejoin
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footechCommented:
Read my comment again.
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