"Unsupported Browser" prompt when trying to log in to Power Automate Desktop

(0) Share

Report

Posted on by da_Roy

Hi there

I'm working in a company where we are running Power Automate Desktop on a Server 2019.

We've created a SA account (Service Account) for the purpose, for security reasons.

All accounts in our organization are required to use Multi-Factor Authentication (MFA), but the SA is excluded from this in the form that when prompted for MFA, it will give an option to Skip that step.

But when trying to login with the SA in the desktop app it gives an error as it comes to the prompt for MFA - see attached.

In the attached picture there are two links "Microsoft Edge" and "https://aka.ms/mysecurityinfo" and I tried to access them and noticed it was opening in Internet Explorer. So I assume this is the issue, that the prompt is using Internet Explorer for the MFA. But I have then uninstalled and disabled Internet Explorer and confirmed it was removed, now the links doesn't want to open at all (not even in Microsoft Edge, even though this is set as default browser).

I am assuming this issue is still happening because it's still trying in Internet Explorer - what can we do to remedy this? Is there any way to change the Power Automate Desktop app behaviour to use Microsoft Edge for the login prompt?

Appreciate any help,

Thanks.

Categories:

Power Automate Desktop

I have the same question (0)

All responses (5)

Answers (0)

Sort by

Srini007 3,490 Super User 2026 Season 1 on at

Like
a
(1)

Report
Copy link

Link copied!

Hi @da_Roy

In PA Desktop can you check which of the below action was used in your Desktop Flow?

From the image attached it is opening to Edge and It detects that it is a old version of Edge which needs update
Can you try with the updated version of Edge and check?

If you find this reply helpful, please consider giving it a LIKE
If this reply answers your question or solves your issue, please ACCEPT AS SOLUTION

Thanks,
Srini

Was this reply helpful? Yes No
da_Roy 7 on at

Like
a
(0)

Report
Copy link

Link copied!

Hi Srini,
Thanks for your reply.
My initial concern is not regarding a Desktop Flow, it's regarding when logging in to the PA Desktop app it self.
The first time you open PA Desktop it's required to sign in with a Microsoft account. This is where this issue occurs.
Hope this helps.

Thanks,
Jonas

Was this reply helpful? Yes No
da_Roy 7 on at

Like
a
(0)

Report
Copy link

Link copied!

Hello,

Can I expect to receive support regarding this issue? Or do I need to reach out to some kind of customer support?

Thanks

Was this reply helpful? Yes No
da_Roy 7 on at

Like
a
(0)

Report
Copy link

Link copied!

Hi,

I hope it's ok I bring this post to attention again, we just haven't been able to solve the described issue.
We just tried adding the "Unattended" PA license to the service account to see if it would solve the issue, and allow it to sign in, but it's still the same issue.
If I need to use another forum or contact some kind of customer support, please let me know.

Besides that, I hope someone has a good suggestion on what I should try...

Thanks,

Was this reply helpful? Yes No
Agnius Bartninkas Most Valuable Professional on at

Like
a
(0)

Report
Copy link

Link copied!

Do you actually need to sign in to PAD on this machine? Will you be doing development on this specific machine? Desktop flows can run even without signing into PAD, as long as PAD is in fact installed on the machine and the machine is registered to an environment via the Power Automate machine runtime app.

As far as I know, PAD does in fact use outdated protocols for sign-in and there is no way for us to change that. It would need to be changed by the product team behind PAD. You might want to post that as an Idea here and if it gets 50 upvotes, the product team will look into it: https://ideas.powerautomate.com/d365community/forum/086dd68e-597f-ec11-8d21-0022482e8f9f

But it's your MFA sequence that does not support IE. Most still do. You might want to ask your IT admins to see if they can perhaps allow using IE on it for now.

-------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution.
If you like my response, please give it a Thumbs Up.
If you are interested in Power Automate, you might want to follow me on LinkedIn at https://www.linkedin.com/in/agnius-bartninkas/

Was this reply helpful? Yes No