Where exactly is nat? PPTP uses TCP/1723 for control connection and GRE for data.
For correct NAT of GRE, there's 'pptp' helper in Firewall -> Service Ports, it should be enabled on NAT device. -- Подпись: (добавляется в конце всех исходящих писем) 2012/12/20 Tayeb Meftah <[email protected]> > yes, there's nat > is gre required? > ----- Original Message ----- From: "Chupaka" <[email protected]> > To: "Mikrotik discussions" <[email protected]> > Sent: Thursday, December 20, 2012 2:52 PM > Subject: Re: [Mikrotik] PPTP VPN Error 619 > > > Any NAT/Filter on the road? Seems like GRE protocol cannot pass to your >> PPTP server. >> >> If not (seems like it's WinXP) - go to Control Panel, open Windows >> Firewall >> - won't there be any errors while opening it? >> >> -- >> Подпись: >> (добавляется в конце всех исходящих писем) >> >> >> >> 2012/12/20 Tayeb Meftah <[email protected]> >> >> Hello, >>> i configured my PPTP VPN in my RB951-2N. >>> /ppp profile, copied default profile and configured local address to >>> 10.16.2.1. >>> Remote address is a ip pool, that i created. range is from 10.16.2.2 To >>> 10.16.2.254. >>> in /interface pptp-server server, i configured the profile to my newly >>> created profile >>> i didnt touch anything else thant this basic stufs. >>> When a remote client connect, i see the log that he's connecting, but in >>> return he get error 619 unknowne error >>> any clue guys? >>> Thank >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: < >>> http://www.butchevans.com/**pipermail/mikrotik/** >>> attachments/20121220/a4855722/**attachment.html<http://www.butchevans.com/pipermail/mikrotik/attachments/20121220/a4855722/attachment.html> >>> > >>> ______________________________**_________________ >>> Mikrotik mailing list >>> [email protected] >>> http://www.butchevans.com/**mailman/listinfo/mikrotik<http://www.butchevans.com/mailman/listinfo/mikrotik> >>> >>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >>> RouterOS >>> >>> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: <http://www.butchevans.com/**pipermail/mikrotik/** >> attachments/20121220/6a80b591/**attachment.html<http://www.butchevans.com/pipermail/mikrotik/attachments/20121220/6a80b591/attachment.html> >> > >> >> ______________________________**_________________ >> Mikrotik mailing list >> [email protected] >> http://www.butchevans.com/**mailman/listinfo/mikrotik<http://www.butchevans.com/mailman/listinfo/mikrotik> >> >> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >> RouterOS >> > > ______________________________**_________________ > Mikrotik mailing list > [email protected] > http://www.butchevans.com/**mailman/listinfo/mikrotik<http://www.butchevans.com/mailman/listinfo/mikrotik> > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik > RouterOS > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.butchevans.com/pipermail/mikrotik/attachments/20121220/053689e3/attachment.html> _______________________________________________ Mikrotik mailing list [email protected] http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

