The Summary.txt file instructs you to uninstall SQL Server 2008 even if no features are upgraded to SQL Server 2008 after a failed upgrade


Symptoms


You upgrade an earlier version of Microsoft SQL Server to Microsoft SQL Server 2008. However, a problem occurs during the upgrade. After the upgrade, you are notified that the following features are not installed:
  • Database Engine Services
  • SQL Server Replication
  • Full-Text Search
  • Analysis Services
  • Reporting Services
Note The actual number of features that are listed depends on the features that you select to upgrade.

Additionally, the following error message is logged in the Summary.txt file:
Overall summary:
Final result: SQL Server upgrade failed. To continue, investigate the reason for the failure, correct the problem, uninstall SQL Server using the following command line, and then rerun SQL Server Setup. Uninstall command line: setup /q /action=uninstall /instanceid=MSSQLSERVER /features=SQLEngine,Replication,FullText,AS,RS
Note The Summary.txt file is in the following folder:
%ProgramFiles%\Microsoft SQL Server\100\Setup Bootstrap\Log
This error message instructs you to run a command to uninstall SQL Server 2008. However, if you run the command, you receive the following error message:
The following error occurred:
No feature were uninstalled during the setup execution. The requested features may not be installed. Please review the summary.txt logs for further details.

Cause


You cannot uninstall SQL Server 2008 because the following features are not installed:
  • Database Engine Services
  • SQL Server Replication
  • Full-Text Search
  • Analysis Services
  • Reporting Services

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information


You can safely ignore the error message in the Summary.txt file only if you receive the following error message when you run the command:
No feature were uninstalled during the setup execution.
In other situations in which the error message is logged in the Summary.txt file, you should diagnose the actual problem that causes the error message to be logged.