Article ID: 960178 - View products that this article applies to.
Consider the following scenario:
Delivery has failed to these recipients or distribution lists:
/o=<Organization name>/ou=<Administrative group name>/cn=Recipients/cn=<user name>
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
This problem does not occur when you use Microsoft Outlook Web Access Light or Microsoft Outlook.
Note OWA Premium is the default access of OWA.
To resolve this problem, install Update Rollup 8 for Exchange 2007 Service Pack 1. For more information about Update Rollup 8 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 8 for Exchange Server 2007 Service Pack 1For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 960178 - Last Review: May 19, 2009 - Revision: 1.1