Originally Posted by MavsX
dns remembers everything. can't remote in to workstations sometimes because dns thinks the machines are in the wrong subnet, etc.
Are you the windows admin? Is this happening from every workstation?
First thing I would check is that the dc is pointed to itself for DNS in tcp/ip
Then make sure that all networks that are in use are tied to an ad site.
Then clear the dns cache on the dns server
Then clear the cache on the workstations