Extended life-cycle support for Exchange Server 5.5 originally concluded on December 31, 2005 but was adjusted to end January 10, 2006.
The Exchange 5.5 Technical Library is a catalog of technical documentation that has been written and reviewed by the Microsoft Exchange product team.
Review the available resources to help you maintain your Exchange 2000 Server deployment.
Get the information you need to plan for, deploy, and maintain Exchange Server 2003.