September 3, 2010

An Encrypted Connection to Your Mail Server is Not Available

When Exchange Server 2010 has been introduced to an existing Exchange 2003 organization some Outlook 2010 clients may report an error when setting up a new mail profile

Export an Exchange Server 2010 Certificate to Exchange 2003

During an Exchange 2003 to 2010 transition a legacy namespace is configured for users who are connecting to Exchange 2003 mailboxes, and the certificate must be imported on the Exchange 2003 server.

Remove the Last Exchange 2003 Server from the Organization

How to remove the last Exchange Server 2003 server from the organization during an Exchange Server 2007 transition.

Removing Mailbox and Public Folder Databases from Exchange Server 2003

Removing the unused mailbox and public folder databases from the legacy Exchange 2003 server after migrating to Exchange Server 2007.

Route outbound email through the Exchange Server 2007 Hub Transport server

How to configure a mixed Exchange 2003 and Exchange 2007 organization to route outbound email using the Exchange 2007 Hub Transport server.

Emails not sending from Exchange 2003 to new Exchange 2007 server

When you introduce a the first Exchange Server 2007 server into an existing Exchange Server 2003 organization you may encounter an issue with mail flow between the two servers. Emails sent from Exchange 2007 to Exchange 2003 work fine, however emails sent from Exchange 2003 to Exchange 2007 do not work and can be seen [...]