Some or all SQL Server 2005 services are not listed in SQL Server Configuration Manager, or you receive a "No SQL Server 2005 components were found" error message when you perform operations in SQL Server 2005 Surface Area Configuration
The following pages were recently modified.
Source: Knowledge Base
Product: Microsoft SQL Server 2005 Enterprise Edition & SQL Server 2005 Standard Edition
Notification Contents: New and Major Modifications
Some or all SQL Server 2005 services are not listed in SQL Server Configuration Manager, or you receive a "No SQL Server 2005 components were found" error message when you perform operations in SQL Server 2005 Surface Area Configuration
http://support.microsoft.com/kb/941823/en-US