BlackBerry device is not redirected in an Exchange Server 2010 environment

Applies to: Exchange Server 2010 Service Pack 3Exchange Server 2010 EnterpriseExchange Server 2010 Standard


Assume that you have a mailbox on an Active Directory site in a Microsoft Exchange Server 2010 environment. When you use a BlackBerry device to connect to a different Active Directory site, the Exchange server tries to proxy the connection. However, the server should redirect the request.


This issue occurs because the BlackBerry device is not in the redirect device list.


To resolve this issue, install the following update rollup:
2891587 Description of Update Rollup 3 for Exchange Server 2010 Service Pack 3


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about the 451 redirect error, go to the following Microsoft website:For more information about proxying and redirection, go to the following Microsoft website: