How to set "enable 32 bit applications" on web app pool

[joshprittse]

Using Wix 6.0.0, there doesn't seem to be any attributes on the iis:WebAppPool element to enable 32 bit applications on the app pool.
The source code here shows it's trying to read an app pool config called "enable32BitAppOnWin64" but it's not clear what attribute or property it's reading from. How do we tell WiX to set the app pool's "Enable 32 bit applications" setting to True? It keeps defaulting to False but we need it to be true for our old 32 bit app.

[joshprittse]

It looks like it tries to read this "enable32BitAppOnWin64" from the ppwzCustomActionData variable. I'm assuming that means it's reading from the CustomAction element for that?

[joshprittse]

It should be using this portion of the IIS SDK
https://learn.microsoft.com/en-us/dotnet/api/microsoft.web.administration.applicationpool.enable32bitapponwin64?view=iis-dotnet

[joshprittse]

I would expect to see this documented here: https://docs.firegiant.com/wix/schema/iis/webapppool/

[FireGiantHelp]

These are all good questions, but they are about the WiX Toolset directly, so you'd need to jump into the community. Issue wixtoolset/issues#2781 might be relevant. If that doesn't make sense, we'd recommend opening a discussion in WiX.

Alternatively, we do offer commercial support for the WiX Toolset, along with several other large benefits, via our WiX Developer Direct program.