High Availability Data Guard, Sharding and Global Data Services (MOSC)

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Disabling Data Guard configuration and getting Error: ORA-16625: cannot reach the database

edited May 29, 2015 10:03AM in High Availability Data Guard, Sharding and Global Data Services (MOSC) 2 commentsAnswered

Hello All

We have 10gR2 (10.2.0.5) primary database (RAC with ASM) running on Linux 64-bit server and physical standby 10gR2 (10.2.0,5) (non-rac and non-asm) running on 64-bit Linux machine. We created standby using 12c Cloud control. Everything is fine and physical standby getting updated with just 5 sec delay. We can login from primary to standby server and vice-versa using userid/password and tns entry.

But when we try to disable data guard configuration using broker, it gives us following error: Error: ORA-16625: cannot reach the database

We try to follow Oracle Support document (below) but still the same error.

Communication Issues ORA-16525 and ORA-12545 After Succesful STANDBY Creation by EM (

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