Setting the GLOBAL_NAMES Initialization Parameter

1. Log in to Enterprise Manager as an administrative user who can change initialization parameters.
See "Access oracle enterprise manager home page"
2. Go to the Database Home page for the database instance.
 
3. Click Server to open the Server subpage.

4. Click Initialization Parameters in the Database Configuration section.

5. If you are using a server parameter file, then click SPFile. Otherwise, proceed to the next step.

6. On the Initialization Parameters page, enter GLOBAL_NAMES in the search tool.

7. Set the appropriate value.