I don't know how I could have missed this for so long but ... windows installer has a built in call to create a System restore point during install and removals... Appears to happen after the InstallValidate Action...

The following registry key disables the installer engines ability to create restore points during installations and removals:


I’m not sure if the MS patches use this key, but I noticed they also create restore points.

Show of hands... just curious who else knew about this...
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ORIGINAL: gmorgan618
Show of hands... just curious who else knew about this...

Well, my hand partially up. What I wasn't aware of until very recently was that Windows Installer apparantly only creates a restore point where the installation is run with at least a Basic UI. (source http://msdn.microsoft.com/en-us/library/aa372060(VS.85).aspx)


Answered 07/18/2008 by: spartacus
Black Belt

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i was aware of this, however most sites i work at have disabled system restore points on the OS so its never been an issue. With the size of hard drives these days i don't see why its always disabled.

Stefan Hotan posted a good topic on this years ago somewhere. (perhaps MyItForum.com)
Answered 07/20/2008 by: jmcfadyen
Fifth Degree Black Belt

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Yup, I'm the same as John. As for why it's disabled, for most of the clients I've worked at it's simply that, if a workstation has ended up in a sub-optimal state, it gets blitzed with a new image.
Answered 07/21/2008 by: VBScab
Red Belt

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