PPTP with Radius

Hi,

I have a 1100ahx2 running as pptp server with radius validation on a Win2003. Some users have their IPs set in the AD users profile, so when they connects the VPN, the IP appears in the Route Table on MK. So far, so good. The issue is that, sometimes the IP doesn’t appear in the Route Table…the client must disconnect VPN, wait a minute and connect again and works.

Any ideas, why this happens??

Thanks.