You need to specify the source, mirror, and target database.
Before you begin setting up synchronization, you must create the mirror database on the mid-tier system as explained in the Sync Server Administration Guide. You can then identify the mirror database in the subscription.
These steps are part of the larger task of creating a DataPropagator subscription. When you complete the steps for mapping the source to the target, return to creating a DataPropagator subscription.
To map the source database on the enterprise system to its target database on the mobile device:
On the Identification page of the Create DataPropagator Subscription notebook, provide the following information:
This field automatically defaults to the name that you specified in the Source database field. You can override this target database name only if this is the first subscription defined against this source database.
This field does not apply to devices running Palm OS because that operating system does not use a database structure.