Our laptops are all assigned two internal DNS servers via DHCP. If a client tries to use a WIFI, the connections are fine, lookup via IP address works, but fails for dns names.
NSLOOKUP always shows the domain DNS servers, even if we add a opendns server to the dns list, it still fails to look further than the internal DNS.
Clients are all winXP Pro, SP3
Disabling the LAN port and playing with binding orders has changed nothing