[wix-users] Bundle fails to acquire payloads

[Sean Hall]

0x80072efd translates to WININET_E_CANNOT_CONNECT, which some googling
shows could be SSL errors. Is it trying to download over HTTPS?

On Tue, Feb 21, 2017 at 4:13 PM, Jacques Eloff <repstosd at gmail.com> wrote:

> Hi
>
> We shipped a web based bundle (99% of the content is downloaded on demand).
> A number of customers have reported errors like
>
> [3838:28C0][2016-07-06T09:31:13]e000: Error 0x80072efd: Unknown HTTP
> status
> code 0, returned from URL: ...
>
> When they copy/paste the URL directly into their browser they can
> successfully download the package.
>
> I've tried to gather some environmental information. Some of them only run
> Windows Defender and no firewall settings, other have 3rd party AV
> software. OS versions cover 8, 8.1 and 10
>
> I seem to recall the engine issues two requests, the first to obtain
> metadata of the package before starting the actual download. I'm guessing
> something must be blocking the first requests, but each time I ask whether
> they have any settings blocking outgoing requests the answer is a definite
> NO.
>
> Is it possible it gets blocked at their ISP? But if so, why can they
> directly access the URLs? The 0 status code also has me stumped.
>
> In case it matters, the bundles were built using WiX 3.10 (RTM), but I
> think we saw errors like these when we used 3.9 as well. I'm pretty sure
> it's environmental as we're seeing this on less than 1% of our customers'
> machines. I just don't know what else could be causing it other than
> firewalls and AV software (or what other remedy to suggest).
>
> Thanks,
> Jacques
>
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