Assume that Microsoft Exchange Server 2010 and Microsoft Exchange Server 2003 coexist in an environment. In this situation, you receive the following error message when you log off Outlook Web Access in Exchange Server 2003:
404 – File or directory not found.
The resource you are looking for might have been removed, had its name changed, or it temporarily unavailable.
The resource you are looking for might have been removed, had its name changed, or it temporarily unavailable.