The Setup program does not scan for existing data when you choose to remove Exchange Server from your computer.
The Setup program does look for Active Directory directory service objects that are configured with Exchange attributes. If the Setup program discovers such Active Directory objects, the Setup program quits, and then the Setup program generates an error message.
For additional information about how to remove Exchange Server 2003 when Active Directory objects are configured with Exchange attributes, click the following article number to view the article in the Microsoft Knowledge Base:
555147�
Error c1034a7f when attempting to remove Exchange installation
For additional information about how to remove Exchange Server 2003 from your computer, click the following article number to view the article in the Microsoft Knowledge Base:
833396�
How to remove Exchange Server 2003 from your computer