Unable to register sytems to Red Hat Satellite that have the same BIOS UUID (eg. HPE MC990X)

Solution Verified - Updated -

Issue

  • You try to register a host, but subscription manager fails with a message like

    HTTP error (422 - Unknown): Please unregister or remove hosts which match this host before registering
    

Environment

  • Red Hat Satellite (RHSAT) 6.5.x
  • Red Hat Enterprise Linux (RHEL) 6/7/8

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