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Editorial Team
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Asked: 2026-06-18T00:56:04+00:00

I’ve been trying to sign an MSI file in a post build event with

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I’ve been trying to sign an MSI file in a post build event with the following code

signtool sign /t http://timestamp.verisign.com/scripts/timestamp.dll /f "E:\Products\Tools\DigitalId\Certificate.pfx" /p 1501ocbc /d "Server" "E:\Products\Setup\Server_Setup\ServerSetup\bin\Release\en-US\ServerSetup.msi"

This will sign OK with the Visual Studio command prompt and similar code works for C++ projects. However, when building the setup and signing the code with post build events, I get a code error, 9009. After much debugging I have come to the conclusion that WiX is using the ordinary command prompt. How do I get cmd.exe in WiX to open with Visual Studio tools?

Or is there another way to sign my packages?

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1 Answer

  1. Editorial Team

    You could define the event like this:

    "%programw6432%\microsoft sdks\windows\v7.1\bin\signtool.exe" sign /t etc..

    Note: you need to adapt the path to your install (program files, Windows SDK version, etc.), or you could also define your own environment variable.

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