ORA-01994

Error: ORA-01994: GRANT failed: cannot add users to shared password file

Causa: A grant failed because a user could not be added to the password file. This is because the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter is set to SHARED.

Acción: To add a user to the password file, shut down the database, change the REMOTE_LOGIN_PASSWORDFILE initialization parameter to EXCLUSIVE, and restart the database.