- You have multiple Active Directory sites in a Microsoft Exchange Server 2010 and Exchange Server 2007 coexistence environment.
- The environment contains an Internet-facing Exchange Server 2010 Client Access server and an Internet-facing Exchange Server 2007 Client Access server.
- A user has a mailbox on an Exchange Server 2007 mailbox in a non-Internet facing site.
- The user tries to access Exchange Web Service (EWS) by using the Internet-facing Exchange Server 2010 Client Access server.
Note The expected behavior is that the returned version of EWS should match the Exchange version of the user’s mailbox.
Article ID: 2746030 - Last Review: Feb 12, 2013 - Revision: 1