12c Database mount fails with error ORA-65093

ERROR :

12c Database mount fails with error ORA-65093

CAUSE :

An attempt was made to open a multitenant container database (CDB) without the correct parameter set for a multitenant container database in the initialization parameter file (enable_pluggable_database = false (Default value)).


SOLUTION :

Set the 'enable_pluggable_database=true' parameter for the multitenant container database in the initialization parameter file and restart the database.



SQL> startup nomount

SQL> alter system set enable_pluggable_database=true scope=spfile;

SQL> shut

SQL> startup