Event ID - 8277

Event Id8277
SourceMSExchangeFBPublish
DescriptionError while getting sorted message table for duplicate message deletion on virtual machine . The error number is <error code>
Event InformationThe following information from a newsgroup post will be helpful to understand this event:
Microsoft Online Support Professional suggested to look at the free/busy system folder in Exchange 2000 server and see if its missing.
"To view the free/busy system folder in Exchange 2000 server,
open ExchangeSystem Manager,
navigate to the "Public Folders" hierarcy.
Right click on"Public Folders"
select "View System Folders".

If you dont see a system folder called "Schedule+ Free/Busy" then this is
the problem. I suspect that the clients are also having problems publishing
free/busy data."
For more information click on the link given below to Microsoft document.
Reference LinksSchedule+ Free/Busy System Folder Is Missing

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