Messages sent from Exchange 2007 to Non-Exchange Recipients through an Exchange 2003 Connector are NDRed by the first Hub/Transport Server

In a mixed Exchange 2007/2003 environment with a Connector to a Non-Exchange System on an Exchange 2003 Server you cannot send messages from Exchange 2007 to a recipient in the Non-Exchange System if the following two conditions are true: 1) the Connector contains an Address Space with an underscore (“_”) in it, like in the following example:…


The Kerberos Contraint Delegation fix and a 8197 Event for MSExchangeFBPublish

This is a blog entry for Exchange 2003, which is meanwhile in Extended Support (which means, that we will deliver non-security Hotfixes only to customers with a custom support agreement. In December 2006 we released a Hotfix for OWA Smart Card Authentication in Exchange 2003 over Exchange 2003 Front End Servers and ISA Server. It…