This error occurs when encryption at rest is expected or attempted, but no KMS provider has been configured on the API server, leaving data unencrypted.
Fixes KMS provider not configured
# KMS provider not configuredKMS provider not configured
The "KMS provider not configured" error indicates that the API server is not configured with a KMS for encrypting data at rest.
kubectl get pods -n kube-system kube-apiserver-<node> -o yaml | grep encryption
sudo tee /etc/kubernetes/enc/provider.yaml
sudo vim /etc/kubernetes/manifests/kube-apiserver.yaml
sudo curl -o /usr/local/bin/k8s-kms ...
kubectl create secret generic test --from-literal=key=value
Configuration: provider order matters, caching includes cachesize and timeout, auto-reload enabled.