Oracle Error Message
RMAN-20079: full resync from primary database is not done
Reason for the Error
Resync from standby detected that a full resync from primary database is required. One of the following events on primary database may have caused this error: 1) one or more tablespaces or datafiles were added 2) one or more tablespaces or datafiles were dropped 3) one or more datafiles status changed
Solution
Perform full resync after connecting to primary database.