Dear @William Thank you a lot for this nice answer and explanations. We did update and harmonise the ntp server of all 8 FreeIPA servers that we have and continued to see a lot of these errors above over the next couple weeks. However, since 10 days ago, all messages of this sort stopped and have not yet returned. Is there some catch up mechanism that somehow was able to "heal" ? Thanks a lot for your insights, Christophe _______________________________________________ 389-users mailing list -- 389-users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to 389-users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/389-users@xxxxxxxxxxxxxxxxxxxxxxx