Why Red Hat Subscription Management (RHSM) registration fails with an error 'Unable to verify server's identity: certificate verify failed' ?

Solution Verified - Updated -

Issue

  • Registration fails with below error:
[root@example ~]# subscription-manager register
Username: redhatusr
Password: XXXXXXXXX
Unable to verify server's identity: certificate verify failed

Environment

  • Red Hat Subscription Management (RHSM)
  • Red Hat Enterprise Linux(RHEL)

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