Uninstalling the UsageMessagingDriver-Email
To uninstall the UsageMessagingDriver:
1. Open the Enterprise Manager console.
2. Expand the Usage Message Service.
3. Right-click on the usermessagingdriver-email.
4. Select the Email Driver Properties menu item.
5. In the Email Driver Properties table, find the row with the instance set as “usermessagingdriver-[integration]” or “usermessagingdriver-UGBUEMAIL”.
6. Click Delete.
7. Click Yes in the confirmation dialog box.