NAC and Client Network Settings (registry)

[rodom]

Is there a way with NAC to ensure IP Routing is not enabled on the client similar to the Microsoft VPN?

See:

http://www.microsoft.com/technet/community/columns/cableguy/cg1003.mspx

for information on how MS handles IP Routing and VPN

[umedryk]

You cannot disable the IP routing with NAC on the client.