IPA-AD Trust user fails to authenticate with error message "Decrypt integrity check failed"

Solution Verified - Updated -


  • IPA-AD Trust user fails to authenticate during the first password attempt but succeeds the second or third time the password is entered.
  • A cross-forest trust is established between two AD domains example.com and test.com.
  • A user from the AD trusted domain user@test.com is not able to authenticate against servers on test.com


  • Red Hat Enterprise Linux 7.x
  • SSSD 1.16

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