This document aims to guide user to troubleshoot cluster airgap server CA certificate updating by highlighting issues and workarounds while running update CA tool and providing manual steps to update a cluster airgap server CA certificate.

Update a Kubernetes Cluster Manually

User can follow these guides to update a single cluster manually on demand.

Update management cluster CA certificate manually

Update a v1 workload cluster CA certificate manually

Update a v2 Workload Cluster CA Certificate Manually

Troubleshoot with Update CA Tool

The known errors while running update CA tool on TCA CP include:

Update CA Tool Reports Leader Changed Error

Updating Node Process Hangs