If you are getting the below error :
ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance
ORA-01081: cannot start already-running ORACLE – shut it down first
While starting the database in Windows Operating System then follows the below steps to restart the Database :
1.Go to Start >> RUN >> type service.msc.
2.In services you can see the service i.e.”oracleservice<SID>”
3.Right click on “oracleservice<SID>” service >> Stop.
4.Again right click on the same service and Start.
5.Go to Start >> RUN >> type CMD and press enter.
6.To login to database type sqlplus / as sysdba in command prompt.
Then you’ll get the SQL prompt, type startup to start the database :
Then your database will mount, it means it is started now.