What about the bug in SSTP (Mikrotik server, connecting from windows 7/8 client)? It simply stopped working in 6.8 and higher. I am still using 6.7.
http://forum.mikrotik.com/viewtopic.php?f=1&t=81644
Is the issue still there, or can somebody claim, it works again?
Thx

SSTP still not working (same issue as 6.9) connecting from a windows 8.1 x64 client to Routerboard R493G (error 734 - the ppp link control protocol was terminated). Windows client is behind CGNAT, Mikrotik behind NAT.
Have to revert to 6.7

Windows 7/8 clients unable to connect to Mikrotik SSTP VPN after RouterOS upgrade from 6.7 to 6.9. Windows client ends up with a message 'error 734: The PPP link control protocol was terminated'. Mikrotik SSTP Log: 'Encryption negotiation rejected'. In addition, drag and drop from windows explorer t...

Currently, 01/2014 - Router OS v6.7, I had a similar problem, the script stopped working: The reason is that parameters were renamed: replace "target-addresses" with "target". It is also necessary to specify the IP addresses including subnet mask: "172.16.66." . $i . &q...

I have the same issue (too small packet) (windows error 631) event with RouterOS 5.12.
... going to try the registry fix.