Installing SQL Secure with secured communications protocols
SQL Secure supports TLS 1.2 communications protocols.
Windows 8.1, Windows Server 2012 R2, Windows 10, Windows Server 2016, and later versions of Windows natively support TLS 1.2 for client-server communications over WinHTTP.
When having TLS related problems, verify the value of the DefaultSecureProtocols registry setting, for example:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp\
DefaultSecureProtocols = (DWORD): 0xAA0
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp\
DefaultSecureProtocols = (DWORD): 0xAA0
Go to How to enable TLS 1.2 on clients for more information.
As an alternative to manually change the registry keys, download and use a third party application called IISCrypto.
This allows setting the Schannel best practices.