[5067-24-407-00000000] Recurrence pattern switched to no end date for message
In the logs the following Warning was seen:
[5067-24-407-00000000] Recurrence pattern switched to no end date for message ID = <MessageID>
The Warning [5067-24-407-00000000] relates to an issue with migrating a Calendar with a recurrence pattern. If a recurrence pattern can not be matched to what Exchange/Outlook is capable of duplicating, an open ended meeting is created.
This is a Warning and not something that needs individual investigation.
It is possible to add the warning ID to the ErrorsToIgnore section of the Default Global Config file.