Running the SQL Server 2008 QFE/CU installer in unattended mode
The documentation for running the SQL Server 2008 QFE/CU installer in unattended mode is not currently available online. The instructions are included in the updated help chm contained in the packages. Here is a quick reference on how to run the patch installer in unattended mode:
Patch all applicable instances:
{Patch package}.exe /q /action=patch /allinstances
Patch a specific instance:
{Patch package}.exe /q /action=patch /instancename={specify instance name to patch}
Examples:
(1) If you would like to apply SQL Server 2008 Cumulative Update 2 (https://support.microsoft.com/kb/958186/) in unattended mode to all instances, the command line would be:
SQLServer2008-KB958186-x86.exe /q /action=patch /allinstances
(2) If you would like to apply SQL Server 2008 Cumulative Update 2 (https://support.microsoft.com/kb/958186/) to all instances showing UI progress with no user interaction, the command line would be:
SQLServer2008-KB958186-x86.exe /qs /action=patch /allinstances