<p>Not able to create cluster using existing nodes (RKE) on rancher 2.5.10. Firewall is disabled by default on all the servers.</p>
<p>Internal error occurred: failed calling webhook &quot;rancherauth.cattle.io&quot;: Post <a href="https://rancher-webhook.cattle-system.svc:443/v1/webhook/validation?timeout=10s" rel="nofollow noreferrer">https://rancher-webhook.cattle-system.svc:443/v1/webhook/validation?timeout=10s</a>: context deadline exceeded.</p>

Bharath Reddy
<p>reference: <a href="https://rancher.com/docs/rancher/v2.6/en/troubleshooting/expired-webhook-certificates/" rel="nofollow noreferrer">https://rancher.com/docs/rancher/v2.6/en/troubleshooting/expired-webhook-certificates/</a></p>
<pre class="lang-sh prettyprint-override"><code>kubectl delete secret -n cattle-system cattle-webhook-tls
kubectl delete mutatingwebhookconfigurations.admissionregistration.k8s.io --ignore-not-found=true rancher.cattle.io
kubectl delete pod -n cattle-system -l app=rancher-webhook
</code></pre>
