Coexisting with Previous Versions

Understanding Exchange's Mixed Mode Operation

To maintain effective coexistence with previous versions of Exchange, it is important that you understand the benefits, limitations, and considerations when operating your Exchange organization in mixed mode.

Benefits of Mixed Mode

Running your Exchange organization in mixed mode ensures future interoperability between Exchange 2000 and previous versions of Exchange. The benefits of operating in mixed mode include the following:

Limitations of Mixed-Mode

When operating your Exchange organization in mixed mode, there are a number of limitations and issues you must consider.

Note   Because of the limitations of mixed-mode operation, you should not operate in mixed mode if your organization uses Exchange 2000 servers and if you are sure your system will not be connecting to previous versions of Exchange.

Consider the following limitations and issues when operating in mixed mode:

Related Topics

Understanding Exchange's Modes of Operation Routing Groups and Message Routing