do the usual stuff and if you get IP Routing Enabled NO in ipconfig /all do this
- Start Registry Editor (REGEDT32.EXE) and go to the following subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip \Parameters
- From the Edit menu, choose Add Value.
- Enter the following values:Value Name: IpEnableRouter
Data Type: REG_DWORD
Value: 1 - Exit Registry Editor and restart Windows NT.