[wix-users] After Enabling DisplayInternalUI MSI Doesn't Rollback

[Sean Hall]

This sounds like https://github.com/wixtoolset/issues/issues/3869, but I
couldn't reproduce it. Can you provide the MSI log and the Burn log?
(Attachments don't work on this mailing list)

On Tue, Nov 17, 2020 at 4:18 PM Mark Lopez via wix-users <
wix-users at lists.wixtoolset.org> wrote:

> We are trying to give some love to an older installer we ship.
> Historically, we've used the standard BA to wrap our MSI's, but opt-ed to
> move to a managed BA to offer a better UX.
>
> What's odd, when a MSI op fails e.g. "Service failed to start. Verify that
> you have sufficient privileges to start system services" and
> DisplayInternalUI=no is set, the MSI engine doesn't rollback the install
> and doesn't give an error to the BA. The install just continues on, and
> ultimately returns a 0x0 success to the BA.
>
> Setting DisplayInternalUI=yes with the same failed op does correctly
> rollback the install.
>
> I'm thinking there must be something obvious we're missing, since I've
> seen messages on this mailing list asking how to cancel a rollback with a
> custom BA.
>
> (Also Vital=yes)
>
> Regards,
> Mark Lopez
>
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