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Re: * schannel: failed to retrieve ALPN result

From: Daniel Stenberg <>
Date: Mon, 6 Jun 2016 00:07:06 +0200 (CEST)

On Sun, 5 Jun 2016, Adalid Claure wrote:

> I've built libcurl and am (statically) linking to it. I am trying to make an
> HTTPS call to a website. When I do it on my Windows 8.1 dev box it works as
> expected. When I move the same binaries over to a non-dev Windows 7 box I
> get "SSL connect error". I enabled CURL's verbose mode and I see the
> following message:
> * schannel: failed to retrieve ALPN result

This is a bug that is tracked here:

The current suggested fix is here:

I'm not a windows dev myself so I'm not yet sure how good that fix is.

List admin:
Received on 2016-06-06