in my remote winxp pc i try connect to my server linux via vpn....

connecting to X.X.X.X
verifying the username and password.....
Registering the computer on the network....
and here say the next error:

Error 734: The PPP link control protocol was terminated

heer the last lines in /var/log/messages


[root@ServerWB root]# tail /var/log/messages
Apr 24 04:08:55 serverWB modprobe: modprobe: Can't locate module ppp-compress-18
Apr 24 04:08:55 serverWB pppd[3316]: MPPE required, but kernel has no support.
Apr 24 04:08:56 serverWB pppd[3316]: Connection terminated.
Apr 24 04:08:56 serverWB pppd[3316]: Connect time 0.1 minutes.
Apr 24 04:08:56 serverWB pppd[3316]: Sent 0 bytes, received 0 bytes.
Apr 24 04:08:56 serverWB /etc/hotplug/net.agent: NET unregister event not supported
Apr 24 04:08:56 serverWB pppd[3316]: Exit.
Apr 24 04:08:56 serverWB pptpd[3315]: GRE: read(fd=6,buffer=804e560,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
Apr 24 04:08:56 serverWB pptpd[3315]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
Apr 24 04:08:56 serverWB pptpd[3315]: CTRL: Client 201.153.9.154 control connection finished
[root@ServerWB root]#



any advice why cant connect?

thanks