This is really frustrating. I am jumping through hoops just to get the
product installed. Here is a copy of the Summary Log:

Microsoft SQL Server 2005 9.00.3042.00
==============================
OS Version : Microsoft Windows XP Professional Service Pack 2 (Build
2600)
Time : Fri Aug 31 16:56:10 2007

SCOTTLAPTOP : To change an existing instance of Microsoft SQL Server 2005 to
a different edition of SQL Server 2005, you must run SQL Server 2005 Setup
from the command prompt and include the SKUUPGRADE=1 parameter.
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server Setup Support Files (English)
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLSu pport_1.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server Native Client
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLNC LI_1.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft Office 2003 Web Components
Product Version : 11.0.6558.0
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_OWC11 _1.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Backward compatibility
Product Version : 8.05.2004
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_Backw ardsCompat_1.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : MSXML 6.0 Parser (KB933579)
Product Version : 6.10.1200.0
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_MSXML 6_1.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server Setup Support Files (English)
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLSu pport_2.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server Native Client
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLNC LI_2.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft Office 2003 Web Components
Product Version : 11.0.6558.0
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_OWC11 _2.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Backward compatibility
Product Version : 8.05.2004
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_Backw ardsCompat_2.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : MSXML 6.0 Parser (KB933579)
Product Version : 6.10.1200.0
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_MSXML 6_2.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server Setup Support Files (English)
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLSu pport_3.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server Native Client
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLNC LI_3.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft Office 2003 Web Components
Product Version : 11.0.6558.0
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_OWC11 _3.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Books Online (English)
Product Version : 9.00.1399.06
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_BOL_1 .log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Backward compatibility
Product Version : 8.05.2004
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_Backw ardsCompat_3.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : MSXML 6.0 Parser (KB933579)
Product Version : 6.10.1200.0
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_MSXML 6_3.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Integration Services
Error : A component that you have specified in the ADD_LOCAL
property is already installed. To upgrade the existing component, refer to
the template.ini and set the UPGRADE property to the name of the component.
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Integration Services
Product Version : 9.00.1399.06
Install : Failed
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_DTS.l og
Error Number : 1603
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : SQLXML4
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLXM L4_1.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : SQLXML4
Product Version : 9.00.3042.00
Install : Successful
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_SQLXM L4_2.log
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Notification Services
Error : A component that you have specified in the ADD_LOCAL
property is already installed. To upgrade the existing component, refer to
the template.ini and set the UPGRADE property to the name of the component.
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Notification Services
Product Version : 9.00.1399.06
Install : Failed
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_NS.lo g
Error Number : 1603
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Workstation Components, Books Online and Development Tools
Error : A component that you have specified in the ADD_LOCAL
property is already installed. To upgrade the existing component, refer to
the template.ini and set the UPGRADE property to the name of the component.
--------------------------------------------------------------------------------
Machine : SCOTTLAPTOP
Product : Microsoft SQL Server 2005 Tools
Product Version : 9.00.1399.06
Install : Failed
Log File : C:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0015_SCOTTLAPTOP_Tools .log
Error Number : 1603
--------------------------------------------------------------------------------