Exchange 2010 - I keep getting a warning in the event log with the name of my old exchange 2003 server

I have migrated from Exchange 2003 to exchange 2010.  I removed exchange 2003 the proper way, and just to be sure that exchange 2003 was totally gone, I went into ADSI Edit to verify and it wasn't there.  I keep getting a warning in my event log saying the following:  "Note Exch001 was the name of my Exchange 2003 server:"

Event ID:  2159
Process w3wp.exe (EWS) (PID=9312). Configuration object CN=SMTP (Exch001-{F8D492E2-1AC9-4407-855A-7EC0E8A89E29}),CN=Connections,CN=Company Technologies,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=companynet,DC=com read from =DC03.companynet.com failed validation and will be excluded from the result set.  Set event logging level for Validation category to Expert to get additional events about each failure