AD authentication breaks after Badlock update with error "ads_sasl_spnego_krb5_bind failed" in logs

Solution Verified - Updated -

Issue

  • Customer's krb5.conf file had the realm and domain_realms section missing.
  • Multiple domains exist in the environment but nested groups option was not enabled in smb.conf
  • keytab from the previous join not allowing the machine to be rejoined to the domain

Environment

  • Red Hat Enterprise Linux 5.11

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