After synchronizing the information imported from all user forests, you export all the information from the metaverse to the central forest. This process is known as provisioning.
To provision the central forest
On the Microsoft Identity Integration Server (MIIS) computer, start Identity Manager: Click Start, point to All Programs, point to Microsoft Identity Integration Server, and then click Identity Manager.
Click Management Agents.
Right-click the management agent for the central forest, and then click Run.
Click Export, and then click OK.
After you provision the central forest, you should verify that contact objects have been created for each user object in the user forests. You must then enable these contacts for Office Communications Server 2007 R2.