Active geo-replication is designed as a business continuity solution that allows the application to perform quick disaster recovery of individual databases in case of a regional disaster or large scale outage. If geo-replication is enabled, the application can initiate failover to a secondary database in a different Azure region. Up to four secondaries are supported in the same or different regions, and the secondaries can also be used for read-only access queries. The failover must be initiated manually by the application or the user. After failover, the new primary has a different connection end point.
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