(Conditional) If you are already synchronizing data between your GroupWise and Exchange systems, see Section A.0, Preexisting GroupWise/Exchange Synchronization.

Create an Active Directory user for the MTA to log in as so you can access your Exchange system, as described in Active Directory Credentials.

(Conditional) If your Exchange system requires SSL, obtain the SSL key file for the Active Directory server, as described in Active Directory Server Information.

(Conditional) If you want to synchronize only a subset of GroupWise users, distribution lists, and resources, create a distribution list of the GroupWise objects that you want to synchronize to Exchange, as described in Synchronization Scope for GroupWise Objects.

(Conditional) If you want to synchronize only a subset of Exchange users, distribution groups, and resources in a context on an Active Directory server, create an Active Directory group of Active Directory objects that you want to synchronize to GroupWise, as described in Synchronization Scope for Exchange Objects.

(Conditional) If you have Exchange distribution groups that are nested more than five levels deep, reorganize them so that they are no deeper than five levels.

Make sure that GroupWise distribution lists that you want to synchronize are configured with their Visibility option set to System, as described in Object Visibility in the GroupWise Address Book.

Make sure that all objects that you want to synchronize have valid email addresses, as described in Object Naming Consideration.

Make sure that the MTA that you want to configure for address book synchronization meets the requirements listed in Section 2.3, Address Book Synchronization System Requirements.

Continue with Configuring the MTA for Address Book Synchronization.