Adding worker nodes to the OCP 4 UPI cluster existing 24+ hours

Solution Verified - Updated -


  • Red Hat OpenShift Container Platform 4.x cluster has been installed some time ago (1+ days ago) and additional worker nodes are required to increase the capacity for the cluster.
  • An attempt to add a worker ends up with a failure due to Certificate signed by Unknown Authority.


  • Red Hat OpenShift Container Platform 4.x

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