I have setup DG broker for 11gR2 RAC - Primary and DR (standby) - Grid single node ( non- Rac) . It is R12 apps.
I am getting connection errors from standby to production . Although the there is no problem in arciive log shipping and DG broker setup .
But I m getting constant Error ORA-16664 ( On Primary ) and on standby - Failed to connect to remote database prod1. Error is ORA-12521
Failed to connect to remote database prod1. Error is ORA-12521It is not an issue with either password file, It having issues to establish connections with "prod1" ,
Failed to send message to site pcap1. Error code is ORA-12521.
12521, 00000, "TNS:listener does not currently know of instance requested in connect descriptor" // *Cause: The listener received a request to establish a connection to a // database or other service. The connect descriptor received by the listener // specified in addition to the service name an instance name for an instance // (usually a database instance) that either has not yet dynamically registered // with the listener or has not been statically configured for the listener. // This may be a temporary condition such as after the listener has started, // but before the database instance has registered with the listener. // *Action: // - Wait a moment and try to connect a second time. // - Check which instances are currently known by the listener by executing: // lsnrctl services <listener name> // - Check that the INSTANCE_NAME parameter in the connect descriptor specifies // an instance name known by the listener. // - Check for an event in the listener.log file.