[H] XP Pro and two NICs

[Thane Sherrington (S)]

If I put two NICs in an XP Pro machine (one connected to the internal 
network that has no Internet access and uses static IPs and one that 
connects to the ADSL modem.)  Every so often it loses connection to 
the Internet and I have to do a "fix" on the network adapter that's 
connected to the to get it to talk to the Internet again.  How do I 
convince XP to always use the NIC that's attached to the ADSL modem?

T