SBS 2011 BPA Reports: The Certificate for the Remote Desktop Gateway service seems to be bound incorrectly

Administrative CMD:
REG ADD HKLM\SYSTEM\CurrentControlSet\services\HTTP\Parameters\SslBindingInfo\0.0.0.0:443 /v DefaultFlags /t REG_DWORD /d 1 /f

net stop tsgateway

net start tsgateway

Or use batch file: here