http://blogs.technet.com/dst2007/archive/2007/03/01/how-do-you-determine-if-sql-notification-services-is-installed.aspxQ: Question regarding SQL 2005 notification services..it states to use the following command prior to installing patch 931815, when I do net stop NS$instance_name (net stop NS$servername. I checked in SQL Server Studio Management, right clicked on A:en-USCommunityServer 2.1 SP1 (Build: 61025.2)