Tribal Knowledge in Software Logistics : Troubleshooting: InstallValidate Nulled out my Request

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These postings are provided "AS IS" with no warranties, and confers no rights. The content of this site are my own personal opinions and do not represent my employer's view in anyway. In addition, my thoughts and opinions open to change (especially from sound arguments). Therfore you should not consider past posts to necessarily reflect my current thoughts and opinions.

Troubleshooting: InstallValidate Nulled out my Request

When Windows Installer logs the InstallValidate Action, the MSI engine reports the three states of a the componets and features in the product. For example, the following report says a component current state is absent, the user requested the component to be installed local, and the MSI engine calculated that it needed to do nothing for this component.

MSI (s) <process info>: Component: <Component identifier from Component Table>; Installed: Absent; Request: Local; Action: Null

Among the reasons a component is set to Action: Null:

The key file exists with a higher version. See File Versioning Rules [Windows Installer] for more information.

The key file exists with any version, and the component is marked to never overwrite. See msidbComponentAttributesNeverOverwrite in Component Table [Windows Installer] for more information.

The component has a condition which evaluates to false. See Conditional Statement Syntax [Windows Installer] for more information.

The key file is protected by Windows. See Windows File Protection on Windows 2000 and Windows XP [Windows Installer] for more information.

More context on reading logs can be had from Checking the Installation of Features, Components, Files [Windows Installer].

Published Thursday, July 07, 2005 3:37 PM by rflaming

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# InstallValidate Nulled Out My Request (Part II)

Earlier, in my blog, I digested a piece of a legacy internal troubleshooting document into the post:...

Sunday, July 24, 2005 1:27 AM by Windows Installer Team Blog

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Tribal Knowledge in Software Logistics