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

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help need with resolving this ORA-12528: TNS:listener:

in High Availability Data Guard, Sharding and Global Data Services (MOSC) 1 commentAnswered

I am trying to create an oracle 19c standby using rman duplicate.

I keep experiencing this

ORA-12528: TNS:listener: all appropriate instances are blocking new connections

I have used option one of this doc (Doc ID 419440.1)

Issue is still persisting. any assistance will be appreciated.

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