How to determine if outgoing TLS 1.2 Connection is supported on Windows Cell

Products

• VMware Tanzu Application Service for VMs

Issue/Introduction

TLS 1.2 is available on Windows Server 2012R2 but support for outgoing TLS 1.2 connections on your deployed applications would depend on the .Net Framework version you are using

Environment

Resolution

Here are various .Net versions and how its supporting TLS 1.2 connections:

• Net Framework version 4.5 : Outgoing TLS 1.2 connections is not enabled and needs some code change to allow TLS 1.2. 
• Net Framework version 4.6 : Outgoing TLS 1.2 connections are already enabled by default.
• Net Framework version 4.7 : Outgoing TLS 1.2 connections are also enabled by default. As of writing this is the recommended version for outgoing TLS 1.2 since it also includes an option to force use of TLS 1.2