Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh ras set sstp-ssl-cert ?
set sstp-ssl-cert [[name=] certname][[hash=] hash]
Set the current SSTP Certificate configuration.
name - Specify the certificate name which should be used by SSTP
hash - Specify the SHA-1 hash of the certificate which should be used by SSTP
Example:
Below Command set the SSTP to use certificate named Verisign
netsh ras>set sstp-ssl-cert name=VeriSign
OR
Below Cmmand reset the SSTP Certificate configuration to default
netsh ras>set sstp-ssl-cert name=default
OR
Below Cmmand set the SSTP to used certificate whose hash is provided
netsh ras>set sstp-ssl-cert hash=4463c531d7ccc1006794612bb656d3bf8257846f