Deploying servers of different versions in the same pool is not supported, and so performing rolling upgrades for each server in the pool is not supported.

After you have prepared the Active Directory Domain Services, it is time to deploy the first Office Communications Server 2007 R2 pool. If you are building an Enterprise pool, ensure that the back-end SQL Server database is prepared before you install and configure the new pool.

If your environment requires compliance or monitoring features, before you move users to the new pool you must install, activate, and configure Office Communications Server 2007 R2, Archiving Server and Monitoring Server in the new pool.

In This Section

The topics in the following list outline the steps to install a pool. You will perform these steps for each pool that you upgrade.