1] Enable TLS 1.0/1.1 using Internet Properties As said earlier, you need to enable or turn on TLS 1.0 and TLS 1.1 on your computer in order to fix this issue.

TLS 1.2 is an internet security protocol for client-server communications. Read all about how to enable it on all Windows editions in 2022.

Even with the sql connection string using 'Encrypt="false"' the sql connection will always use TLS because it always encrypts the login username and password exchange.