Hello, I'm trying to implement one pptp vpn between one windows xp and one vpn concentrator. I've no problems with the Cisco vpn client but I get this error when I try the windows software: In the software: The PPP link control protocol was terminated. In the vpn concentrator: User [xxxx] disconnected. Cannot resolve an IP address for remote peer. In debug mode, freeradius gives this output:; auth: type "MS-CHAP" Processing the authenticate section of radiusd.conf modcall: entering group Auth-Type for request 0 rlm_mschap: Told to do MS-CHAPv2 for toze3 with NT-Password rlm_mschap: adding MS-CHAPv2 MPPE keys modcall[authenticate]: module "mschap" returns ok for request 0 modcall: group Auth-Type returns ok for request 0 Sending Access-Accept of id 38 to AA.BB.CC.DD:1033 MS-CHAP2-Success = 0x02533d3346343545313438444234344339303636463630454141394444413134444436 4630463137343639 MS-MPPE-Recv-Key = 0x7bece896d285fa327b97e150aa13cc9d MS-MPPE-Send-Key = 0x91606621ce8a086e8a961d21bf250787 MS-MPPE-Encryption-Policy = 0x00000002 MS-MPPE-Encryption-Types = 0x00000004 Finished request 0 Can someone help me with this? I've search google for some time now and I still can't solve this. Regards, Antonio