Error
Invalid recurring appointment end date.
Description
This error indicates that the calendar item is recurring and has an invalid end date.
Cause
This typically happens for old appointments that have become corrupted or were incorrectly created by a third-party application (such as a sync or CRM application).
Resolution
We recommend the following:
- Log the subject of failed items
- Retry failed items (subjects will be logged)
- Review error logs to identify the offending calendar items
- Fix the start/end date (ex: open and save each calendar item)