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Subject: The mailing list for users of the eduroam Configuration Assistant Tool (CAT)
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- From: Timothée Peraldi <Timothee.Peraldi AT etu.univ-paris1.fr>
- To: Paul Dekkers <paul.dekkers AT surf.nl>
- Cc: Tony Skalski <ajs AT stolaf.edu>, cat-users AT lists.geant.org
- Subject: Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?
- Date: Thu, 06 Oct 2022 18:10:48 +0200
Paul Dekkers <paul.dekkers AT surf.nl> a écrit :
Hi,
If someone has more experience with Credential Guard and/or this Windows update, I'd love to find out. If true, we may need to write up an advisory, but it will affect a lot of people.
So far, it looks like this affects Windows Enterprise edition users (maybe Timothée can confirm?) and it would be a rolling update: so some already get it, others may not yet.
There is word about some Cumulative Updates fixing some of the "save credentials" issues for users, but it's unclear to me if that resolves the PEAP-MSCHAPv2 authentication for users that entered the credentials manually, and did not get them via "AD user credentials".
If this truely affects all PEAP-MSCHAPv2 authentications on Windows, and the majority of our users has Enterprise editions for Windows, we need to investigate what options still work,
Timothée; could you in fact check if geteduroam for Windows would work? We have some reports of a strange error, maybe this is actually related. You could download from https://www.geteduroam.app/
Regards,
Paul
On 05/10/2022 18:20, Tony Skalski (via cat-users Mailing List) wrote:CAO7ix5keWHv1bqbKf-f0_oDZcUXJra1Wq3ftb2-QZF8kxh-spA AT mail.gmail.com">Credential Guard is reportedly on by default in the latest W11 update (have not confirmed this myself). This will block the use of NTLM hashes and will prevent EAP-PEAP from working.
On Wed, Oct 5, 2022 at 10:29 AM Timothée Peraldi <cat-users AT lists.geant.org> wrote:Hello,
I have updated my computer to the 22H2 update of Windows 11, that was
released yesterday by Microsoft.
Since then, I cannot connect my computer to eduroam. My other devices
(Android 12, ChromeOS) still work fine, and other WiFi networks still
work on this computer.
I've tried uninstalling and reinstalling CAT but it still won't connect.
I just checked on Reddit and I'm seeing a few other similar threads,
all posted in the last few days.
Is this a widespread issue?
Have a great day,
Timothée
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- [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Timothée Peraldi, 10/05/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Tony Skalski, 10/05/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/05/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Timothée Peraldi, 10/06/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Timothée Peraldi, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Tomasz Wolniewicz, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Stefan Winter, 10/10/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Vittorio Gambaletta, 10/10/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Christina Klam, 10/11/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Timothée Peraldi, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/07/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Timothée Peraldi, 10/06/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/05/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Tony Skalski, 10/05/2022
- Message not available
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Daniel Dittrich, 10/06/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Paul Dekkers, 10/06/2022
- Re: [[cat-users]] Windows 11 22H2 update breaks CAT eduroam?, Daniel Dittrich, 10/06/2022
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