Subscription-manager fails with "certificate verify failed (_ssl.c:618)" when registering systems to Red Hat Satellite Capsule.

Solution Verified - Updated -


  • After updating custom SSL certificates on the Satellite and the Capsule, subscription-manager fails with the below error, when attempting to register the system to a Capsule:

    Unable to verify server's identity: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:618)


  • Red Hat Satellite 6
  • Red Hat Satellite Capsule 6
  • Custom SSL Certificates

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