TAF Service OFFLINE on standby node

Hi,
We have created primary and secondary RAC. A TAF service which is ONLINE on primary is added to standby side and is enabled but it shows the OFFLINE status. Is this default behaviour. We can't start is using "srvctl start service" command. My understanding is since the DB is physical standby which is not open, this is the reason the service is OFF line. Once the standby switches to primary it can be brought up. Correct?

You should still be able to bring up the standby as read only. During managed recovery the database is in a mounted state and therefore can't be connected to via the listener.

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