Event ID - 8260

Event Id8260
SourceEXCDO
DescriptionAn attempt was made to save an appointment with the subject "%1" to mailbox %2. The duration of the appointment was too large, so it was not saved.
Event InformationAccording to Microsoft:
Cause :
This Warning event is logged when Microsoft® Exchange Server cannot save a repeating appointment that has a duration of more than two years (730 days). The subject of the appointment and the mailbox name is specified in the event description.
Resolution :
To resolve this error, do one or more of the following:
1.Contact the user and have them delete the appointment and re-create it with duration of less than two years (730 days).
2.If the appointment was created by a client not running Microsoft Office Outlook®, make sure that the client is running the most current version of the specified, third-party e-mail application.
Reference LinksEvent ID 8260 from Source EXCDO

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.