ipa trust-add fails to setup trust between AD and IPA with "IPA Error 4016"

Solution Unverified - Updated -

Issue

  • When creating an AD Trust the following error occurs in the GUI:
IPA Error 4016: RemoteRetrieveError
CIFS server communication error: code "3221225473", message "{Operation Failed} The requested operation was unsuccessful." (both may be "None")
  • The following error appears in /var/log/httpd/error_logwhen debug is turned on:
smb_krb5_trace_cb: [23886] 1623158790.390958: Received error from KDC: -1765328370/KDC has no support for encryption type

Environment

  • Red Hat Enterprise Linux 8.4
  • IPA/IdM
  • Active Directory

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