IPA-AD trust add fails with error "IPA Error 3009: ValidationError"

Solution Verified - Updated -

Issue

  • Unable to create IPA-AD trust and receiving error IPA Error 3009: ValidationError
  • IPA-AD trust add fails with error Invalid 'Realm-domain mismatch':To establish trust with Active Directory: the domain name and the realm name of the IPA server must match

Environment

  • Red Hat Enterprise Linux 8

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