Exchange 2007 - Online maintenance overlap

[jraf...@gmail.com]

Cant find anything on this error, anyone experience this?

Event Type: Warning
Event Source: MSExchangeIS Mailbox Store
Event Category: Background Cleanup
Event ID: 9871
Date: 1/20/2008
Time: 2:59:59 AM
User: N/A
Computer: EXCHANGE2
Description:
There is an online maintenance overlap for database "Lancaster
\Lancaster". Please revise the online maintenance schedule.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.