Today I encountered a weird issue with a new machine I was setting up. The NIC on the machine worked to PXE boot and install Windows XP off the WDS server at work, however once I installed the drivers for the NIC on Windows XP and obtained an IP address from DHCP I couldn’t reach anything.
I couldn’t ping my default gateway, any DNS servers, couldn’t ARP an IP address, nothing. I tried to release and renew the IP address, ran diagnostics (which all passed except the connection diagnostic) and I was getting an IP address on the correct subnet and...