No the solution isn't there. I tried following all the links and it fails.
Why can't microsoft update the document to fix this issue?
RDS deployment with Azure AD Application Proxy - RDP fails (authentication to the firewall failed due to missing firewall credentials)
Barry van Dijk
36
Reputation points
Basically, followed this MS Article: [application-proxy-integrate-with-remote-desktop-services][1]
Installed and registered a connector following [application-proxy-add-on-premises-application][2]
Enabled the Web Client following [remote-desktop-web-client-admin][3]
Using https://
Windows for business | Windows Client for IT Pros | User experience | Remote desktop services and terminal services
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Anonymous2021-05-05T06:29:43.92+00:00 This is a quick note to let you know that I am currently performing research on this issue and will get back to you as soon as possible. I appreciate your patience.
If you have any updates during this process, please feel free to let me know. -
Barry van Dijk 36 Reputation points
2021-05-05T06:57:54.54+00:00 Hi Karlie, thanks for the quick note. If anything changes I'll let you know, though I'm currently out of options, so anxiously waiting for any suggestions.
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Kyle Barina 1 Reputation point2021-05-05T17:07:22.747+00:00 I have an identical issue. Please let us know what you find out.
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_KUL 286 Reputation points2021-06-17T00:10:37.25+00:00 Hello!
I also set up this scheme! I also have this problem! It's just awful ... I don't even know where to look for a solution. @Barry van Dijk were you able to solve the problem?
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DavidBWI 1 Reputation point2021-08-11T15:29:15.72+00:00 I have this same setup and this same issue and need to figure out a way to resolve ASAP! Please help.
Azure AD Web Application Proxy configured for PRE AUTH and Azure MFA.
RDS 2019 GW,WEB,CB on single server.
RDSH - 2 servers publishing APP collection.
HTML5 client installed.
I can connect to the app proxy URL and get Azure MFA preauth+MFA and launch any published app using either new html5 client or old IE activex method just fine. The problem is I need to use HTML5 client for chrome support and I need multi monitor support so I have to toggle the setting to download the RDP file instead of launch in browser. This produces the firewall error in the original post above.
How do I configure this to allow launch of RDP icon for full seamless app with multi monitor support in HTML 5 client with Azure Web Application proxy in preauth mode to support Azure MFA????
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Jesper Møller 1 Reputation point2021-10-22T09:58:26.76+00:00 Did you manage to resolve this issue?
I'm having the exact same issue and I can't figure it out.
Everything is working fine when launched in the webclient, but if I download the RDP file I'm getting the exact same error as you. -
Anonymous
2022-11-18T00:31:13.217+00:00 Hey, I've an identical issue. Please let us know what you find out!
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