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ORA-16829 fast-start failover configuration is lagging

Hello,

12c dataguard environment, in windows

OK, after a power outage in primary db, the priamy db is falied over to standby, after power/priamy was availabe, switched it back to primary db.

orcl2 is primary

ORCL2_STBY is standby


DGMGRL> switchover to orcl2;
Performing switchover NOW, please wait...
Operation requires a connection to instance "orcl2" on database "orcl2"
Connecting to instance "orcl2"...
Connected as SYSDBA.
New primary database "orcl2" is opening...
Operation requires start up of instance "orcl2" on database "ORCL2_STBY"
Starting instance "orcl2"...
Unable to connect to database using (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=xxxx)(PORT=1522))(CONNECT_DATA=(SERVICE_NAME=ORCL2_STBY_DGMGRL)(I

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