|Component:||Microsoft Exchange Collaboration Data Objects|
|Message:||Calendaring agent failed in message save notification with error error code on user name: file name.|
This Error event indicates that a user tried to save an appointment, but the operation failed. Other EXCDO source events such as 8213 and 8206 may accompany event 8199.
Viewing the description of EXCDO source events that accompany Event 8199 may provide information about the underlying cause of this error. For example, you may see event 8213 with a description that states “Calendaring agent failed with error code 0x80040215 while saving appointment”. Event 8123 may be logged if the MSExchangeFBPublish registry key, or one of its subkeys, is missing from the Microsoft Windows registry.
For more information about events that can be related to Event 8199, see Microsoft Knowledge Base article 310440, You receive an “unable to perform the operation” error message when you save Calendar items in Exchange 2000 and Exchange 2003.
Error event 8199 might also be caused by a corrupted calendar item.
To resolve this error, try one or more of the following:
If the problem persists and if you cannot locate an event message that provides you more information about troubleshooting this issue, contact Microsoft Product Support Services.