the error says "the remote computer is not available" but the pc can access the other computer. im in a windows environment, domain controller windows server 2000 client xp. help please i’ve try microsoft support but it instruct me to install the latest Service Pack for Windows NT version 3.5, but i cannot see this update anywhere please help!! and on my server i have installe service pack 4












































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Firewall does sound promising but check event logs as well in the DC and local PC.
Could be DNS if your getting userenv 1058/1030 etc etc.
Could be that the PC object in the active directory has corrupted. (SID)
Check http://www.eventtid.net for event logs
Some times just a simple re-joining of the PC to the domain can fix it.