Failed to add ADFS4.0 to farm

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ClintonvanAxel-5933 asked · Mar 26, 2020 at 03:21 PM

Failed to add ADFS4.0 to farm

I have two ADFS 3.0 servers and two ADFSproxy servers(DMZ). All located in Azure. The machines all or load balanced.
Now i try to add a windows 2016 server (ADFS 4.0) on a different VNET but peer with the old VNET.

When i try to add the ADFS 4.0 (windows 2016 machine) I get this error.

Unable to retrieve configuration from the primary server. The specified DNS name of the primary federation server could not be resolved. Verify that the DNS name is correct, and that the AD FS service is running on the primary federation server and try again.

adfs

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piaudonn · Mar 27, 2020 at 02:13 AM

Did you validate that DNS resolution of the primary FQDN from the ADFS 4 was working?
Also that you can reach the port 80 from this new machine?

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Answer 1 · 2020-03-27T14:52:34.883Z

ClintonvanAxel-5933 answered · Mar 27, 2020 at 02:52 PM

Fixed the problem. I was adding the farm name and thats was only reachable from outside. So it landed on the WAP. But the question was. What is your Primary server in the farm.

But i have a question if I add the windows 2016 (ADFS4.0) machine to the farm. Does it take all Replying party trusts. Even if i gone raise the farm level.

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piaudonn · Mar 27, 2020 at 05:37 PM

Yes, the entire configuration is in the database.

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ClintonvanAxel-5933 piaudonn · Mar 27, 2020 at 05:45 PM

Also do you need to update the office365 sign-in rely party trust. I saw on a website that you need to add some registry keys.

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piaudonn ClintonvanAxel-5933 · Mar 27, 2020 at 05:49 PM

Nope. The trust stays as-is.

Do you have references for the registry thing?

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Answer 2 · 2020-03-26T20:40:21.03Z

ClintonvanAxel-5933 answered · Mar 26, 2020 at 08:40 PM

When i open the port 80 on the adfsproxy server. i get another error:

The HTTP service located at http:///adfs/services/policystoretransfer is unavailable. This could be because the service is too busy or because no endpoint was found listening at the specified address. Please ensure that the address is correct and try accessing the service again later.

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piaudonn · Mar 27, 2020 at 02:15 AM

The port 80 on the WAP server is useful only for:
- Port 80 to 443 redirection for application publication.
- Health probe for load-balancers not compatible with SNI.
Why is the ADFS proxy involved in your troubleshooting?

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