Important Notice for Highly Secured Environments (TLS 1​.2 Exclusively)

Affected Systems

This information is applicable to a small subset of highly secured environments, in which operating systems and supporting networks have been configured to enable TLS 1.2 and where TLS 1.0 and 1.1 have been purposefully disabled. In these rare instances, some additional configuration is required to ensure that System Platform will work as expected.

System Platform 2023 includes various measures to strengthen security, including the ability to leverage the latest version of transport layer security (TLS 1.2), provided that TLS 1.2 has been enabled and configured in the host operating system.

As of the System Platform 2023 release date, Microsoft Windows Server 2016 does not support TLS 1.2 by default. You must enable it by applying Microsoft updates and several manual edits to the system registry. The tasks of applying all Microsoft updates and editing the system registry must be completed before you install System Platform 2023. These instructions also apply to any other software products that support TLS 1.2. Follow the instructions listed below.

If you are required to enable TLS 1.2 and disable TLS 1.0 and TLS 1.1:

1. Before installing System Platform 2023 on a Windows Server 2016 computer, make sure that your computer is up to date by downloading and installing all applicable Microsoft updates.

2. If required by the updates, restart your computer.

3. Edit the system registry. The .REG file shown below sets registry keys to their safest values.
   For additional information about these registry changes, see https://docs.microsoft.com/en-us/dotnet/framework/network-programming/tls#configuring-security-via-the-windows-registry.

   Windows Registry Editor Version 5.00
   

   [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319]

   "SystemDefaultTlsVersions"=dword:00000001

   "SchUseStrongCrypto"=dword:00000001
   

   [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]

   "SystemDefaultTlsVersions"=dword:00000001

   "SchUseStrongCrypto"=dword:00000001

4. Restart your computer to ensure that all changes take effect.

5. Install System Platform 2023.