How to delete a user-defined event error message (Enterprise Manager)

To delete a user-defined event error message

1. Expand a server group.
   
   
2. Right-click the server, click All Tasks, and then click Manage SQL Server Messages.
   
   
3. On the General tab, click Only include user-defined messages.

   To refine your search, you can specify the search to look for a specified error number, message text, or a severity level. Search results are displayed on the Messages tab.

4. On the Messages tab, click the message to delete, and then click Delete.