Subscription Synchronization does not work among multiple StoreFront clusters.

1. On StoreFront console on the server from which the subscriptions are exported, select the Store.
2. On Actions pane at the right side, select "Manage Delivery Controllers".
3. Make a note of the Farm Display names.
4. Go to the StoreFront console on the StoreFront server to which the subscription are imported.
5. On Actions pane at the right side, select "Manage Delivery Controllers".
6. Edit the Farm names to have the similar names as the source StoreFront server

Problem Cause

Farm display names in StoreFront "Manage Delivery Controllers" configuration is not similar on both StoreFront clusters.