Exchange Resource Forest Model

The exchange resource forest model should satisfy the following conditions:

1. There are two separate forests in the environment: Exchange resource forest and account forest.

2. Exchange resource forest:

   1. It is used only for resources.

   2. It doesn't contain any user accounts, it contains service accounts and Exchange resource forest administration accounts only.

   3. Microsoft Exchange server is installed.

3. Account forest:

   1. All user accounts should be created in a separate account forest.

4. At least a one-way outgoing trust should be created so that the Exchange Resource forest trusts the account forest.

   For more details, please see this Microsoft article.