Unable to login cluster with kubeadmin user and getting error message "error: x509: certificate signed by unknown authority"

Solution Verified - Updated -

Issue

  • Unable to login cluster with kubeadmin user.
  • While login cluster with kubeadmin getting error message error: x509: certificate signed by unknown authority but same system:admin able to login.

Environment

  • Red Hat OpenShift Container Platform 4.x

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content