I'm starting to see more of these errors pop up in my application logs. Any idea on what might be causing this? I'm Running SP1 RU9 in a CCR cluster.Event Type:ErrorEvent Source:MSExchangeIS Mailbox StoreEvent Category:Background Cleanup Event ID:1097Date:9/22/2009Time:1:44:13 PMUser:N/AComputer:EXCHSVR1Description:Error 0x8004010f occurred while cleaning up background folder 1-82590C7C16 on database "Storage Group 5\Mailbox Database 5".

Corey;Have you seen this?http://www.microsoft.com/technet/support/ee/transform.aspx?ProdName=Exchange&ProdVer=6.0&EvtID=1097&EvtSrc=MSExchangeIS&LCID=1033Karl

Corey try the fix as mentioned in the below articlehttp://mymcp.blogspot.com/2007/07/how-to-fix-background-cleanup-errors.htmlUpdate us on the status

This event will occur when the database contains items that were not successfully deleted. Please wait after the next database maintenance, and then test the results