secondary region (n)~ The Azure region where an active secondary database resides. secondary replica (n)~ An availability replica that maintains a secondary copy of each availability database and serves as a potential failover target for the availability group. secondary server (n)~ In a log shipping configuration the server instance where the secondary database resides. At regular intervals the secondary server copies the latest log backup from the primary database and restores the log to the secondary database. The secondary server is a warm standby server.