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UNC is not accessible. You might not have permission to use this network resource.

We have a fresh and formatted install of Windows 2003 Server r1.  We have two domains, A & B.We have DHCP and DNS configure. DNS even is holding a secondary zone from the second server.

From the server we can PING the UNC and get name resolution. We can go to the start-run \\UNC and it opens the login window.

From the Windows XP Pro workstation in domain A it PINGS and resolves for DNS. If you try to use start-run \\UNC it  gives the error "\\UNC is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions.  The user name could not be found." (By the way I already ran the bat file to run the W2K3LmhostsTimeout)

The second Domain has an additional IP adddress to match the Domain A scheme. What is my next step? I cannot move both networks to the same IP range/ nor same subnet.  Any ideas?
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antcal
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antcal
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1 Solution
 
antcalAuthor Commented:
After and restart now the UNC does not work either from the server.
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Jay_Jay70Commented:
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antcalAuthor Commented:
Yes, actually there was a paper on 2003, and I already validated trust.
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CraigHarrisCommented:
You you fully qualifying the login name including domain, correctly from the XP machine?
Is there any chance that the XP machine stores a bad login for the 2nd domain?
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antcalAuthor Commented:
I went back into the two servers and removed the trust and set them again, and VALIDATED. After this I made sure the secondary zones were pointing to each other server. It finally worked.
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Jay_Jay70Commented:
excellent well done
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