Support for Exchange Server and Exchange Hosted Services

For greater support needs, purchase a Professional Support package for expert assistance when you need it.

Explore the wide variety of custom, packaged, and self-help choices available to businesses, IT professionals, developers, and our partners.

Find the support options available if you are located outside the United States or Canada.

Extended life-cycle support for Exchange Server 5.5 will conclude on December 31, 2005. Find out how this affects you.

Mainstream support ends on December 31, 2005. Find out what to expect from the Microsoft extended support program.

Learn more about product support and availability policies.

The entire database of Microsoft Knowledge Base (KB) articles and troubleshooters is at your disposal.

Get detailed explanations of server events, recommended user actions, and links to additional support and resources in this searchable database.

Troubleshoot your database connection problems with helpful KB articles.

Find out what to do to help ensure your messaging infrastructure is as secure as possible.

Join peer-to-peer discussions about Exchange Server issues and solutions.

Locate top issues, how-to articles, step-by-step instructions, and more on the Microsoft Help and Support site.