.Net Framework 4.6.1 not defaulting to TLS 1.2

Question

Our client have recently upgrade the security protocol to TLS 1.2. Therefore We have our application upgraded to 4.6.1 expecting the security protocol will be default to TLS

Answer 1

1. Update Windows and WinHTTP
2. Ensure that TLS 1.2 is enabled as a protocol for SChannel at the operating system level
3. Update and configure the .NET Framework to support TLS 1.2

• 1. https://support.microsoft.com/en-us/help/3140245/update-to-enable-tls-1-1-and-tls-1-2-as-default-secure-protocols-in-wi
• 2. https://docs.microsoft.com/en-us/windows-server/security/tls/tls-registry-settings
• 3. https://docs.microsoft.com/en-us/mem/configmgr/core/plan-design/security/enable-tls-1-2-client