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After a failed install I need to output the error code of the Custom Action that caused the rollback in the first place.

Is there any way that I can grab a hold of it via some WiX predefined variables?

Theodor Ionut Stanbeca
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  • If you can run the installer again you can enable the logging policy. This automatically creates a log file in the TMP folder for every MSI operation. See [this comprehensive answer on logging](https://stackoverflow.com/questions/54453922/enable-installation-logs-for-msi-installer-without-any-command-line-arguments/54458890#54458890). There is also this short version of how to do this. See section *"Globally for all setups on a machine"* here: http://www.installsite.org/pages/en/msifaq/a/1022.htm – Stein Åsmul Dec 02 '21 at 23:20
  • Please provide enough code so others can better understand or reproduce the problem. – Community Dec 08 '21 at 23:58

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