Pointing to the Deleted Objects container in Active Directory - MSEXchangeADaccess Event ID 2937

We are getting multiple 2937 validation errors for mmc,w3wp,addressbok,imap,replicatrion,extra after upgrading to SP1.

Log Name:      Application
Source:        MSExchange ADAccess
Event ID:      2937
Task Category: Validation
Level:         Warning
Keywords:      Classic
Computer:     Description:
Process w3wp.exe () (PID=8868). Object [CN=]. Property [HomeMTA] is set to value */Configuration/Deleted Objects/Microsoft MTA
DEL:9e3df932-d41f-4e45-ad14-d42fc59ab785], it is pointing to the Deleted Objects container in Active Directory. This property should be fixed as soon as possible.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
    <Provider Name="MSExchange ADAccess" />
    <EventID Qualifiers="32768">2937</EventID>
    <     <TimeCreated SystemTime="2011-01-26T17:39:55.000000000Z" />
    <EventRecordID>376901</EventRecordID>
    <EventData>
    <Data>w3wp.exe ()</Data>
         <Data>HomeMTA</Data>

Thanks,