[wix-users] Property "ClientProcessId" is missing in nested uninstall

Rob Mensching rob at firegiant.com
Mon Feb 19 09:19:06 PST 2018

IIRC, those properties are not documented by the Windows Installer.

 Short replies here. Complete answers over there: http://www.firegiant.com/

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Roland Kieslinger via wix-users
Sent: Monday, February 19, 2018 8:48 AM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Cc: Roland Kieslinger <rkieslinger at rzl.at>
Subject: [wix-users] Property "ClientProcessId" is missing in nested uninstall


I chained a msi in my custom burn bootstrapper. If I do a MajorUpgrade (Schedule="afterInstallExecute"), I always got the following arguments via command line in my old uninstalling msi:

Aktion gestartet um 16:08:46: RemoveExistingProducts.

Suddenly, since the last version I built, I don't get the properties "CLIENTPROCESSID" and "MSICLIENTUSESEXTERNALUI" anymore.

What could be the reason? I checked everything, I just added a few files to the msi, nothing else?!

Desperate me.

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