<p>What works on one corporate computer doesn't work on another.</p>
<p>Maybe corporate network proxy or CA cert? Domain whitelisting? How do you debug this?</p>
<pre><code>az login
az account set --subscription &lt;subscription&gt;
az aks get-credentials --resource-group &lt;group name&gt; --name &lt;aks name&gt;
kubectl get nodes
</code></pre>
<p>To sign in, use a web browser to open the page <a href="https://microsoft.com/devicelogin" rel="nofollow noreferrer">https://microsoft.com/devicelogin</a> and enter the code ... to authenticate.
E1201 ...  11576 round_trippers.go:174] CancelRequest not implemented by *azure.azureRoundTripper
error: You must be logged in to the server (Unauthorized)</p>

<p>When I wanted to open an Azure support ticket, it alerted  that there were failures because of using an old kubectl CLI.</p>
