Amazon Tools for PowerShell V4 has reached end of support.

We recommend that you migrate to [Amazon Tools for PowerShell V5](https://docs.amazonaws.cn/powershell/v5/userguide/). For additional details and information on how to migrate, please refer to our [end of support announcement](https://aws.amazon.com/blogs/developer/aws-tools-for-powershell-v4-end-of-support-announcement/).

# Enforcing a minimum TLS version in the Tools for PowerShell
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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](https://docs.amazonaws.cn/sdk-for-net/v3/developer-guide/enforcing-tls.html#enforcing-tls-ps) in the [Amazon SDK for .NET Developer Guide](https://docs.amazonaws.cn/sdk-for-net/latest/developer-guide/).