"TLS: client offered only unsupported versions" error on client when connecting to the AKS API server
Symptoms
When you try to connect to the Microsoft Azure Kubernetes Service (AKS) API server, you receive the following error message from your client computer or virtual machine:
tls: client offered only unsupported versions
Cause
Your version of the Transport Layer Security (TLS) protocol is out of date. The minimum supported version in AKS is TLS 1.2.
Solution
Upgrade your TLS version to 1.2. For upgrade instructions, see Enable support for TLS 1.2 in your environment.
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