You must uninstall the Unified Collaboration Administration (UCA) service from the primary Cluster 1 in DC1 so that the UCA in DC1 picks up the UCA database restore from DC2.
Procedure
Log on to Avaya Aura® System Manager.
On the System Manager web console, click Elements > Avaya Breeze® > Service Management > Services.
On the Services page, select the UCAStoreService check box and click Uninstall.
In the Confirm Uninstall service: UCAStoreService dialog box, select the primary Cluster 1 check box and click Commit.
On the Services page, verify that the state of the service is Uninstalling.
The state changes to Uninstalled when the process is complete.
