To enable the DRM Redirector for a Web Application, follow these steps:
- In SharePoint Central Administration, click on Application Management:

- Under Web Applications, click on Manage web applications:

- Click on the Web Application you want to enable the DRM Redirector, then click Manage Features. The Manage Web Application Features window displays:

- Under the Prizm Digital Rights Management feature, click Activate and then click OK:

- You have successfully enabled the DRM Redirector for your selected Web Application.
 |
The Prizm Digital Rights Management feature may already have been activated during the installation process. If it is already active, click OK to exit this window. |
 |
If you want to enable the DRM Redirector for other Web Applications, repeat these steps. |