Amazon Tools for PowerShell V4 has reached end of support.
We recommend that you migrate to Amazon Tools for PowerShell V5. For additional details and information on how to migrate, please refer to our end of support announcement
Enforcing a minimum TLS version in the Tools for PowerShell
To increase security when communicating with Amazon services, you should configure the Tools for PowerShell to use the appropriate TLS version. For information about how to do this, see Enforcing a minimum TLS version in the Amazon SDK for .NET Developer Guide.