Clients not registering DNS
During the recent school holidays we changed our IP address range from an internal range (172.16.0.0/16) to a NSW (Australia) Department of Education and Training range (10.18.144.0/22). The servers were rolled over, and then the DHCP range updated to match (including dns servers and the like). However now we're having a problem where DNS aliases set on our internal server are not being identified by the workstations.
They get a correct IP address from the pool, and the correct DNS server details in the configuration, however will not resolve internal dns aliases unless you run "ipconfig /registerdns".
While we can run this as a logon script, once the PC has been on for a while the workstations go back to not resolving the addresses unless you run the "ipconfig /registerdns" again.