Zammad Microsoft365 Callback URL problems

Infos:

  • Used Zammad version: Zammad 4.0.x
  • Used Zammad installation source: (source, package, …) Nginx with elastcisearch
  • Operating system: Ubuntu 18.04 LTS
  • Browser + version: Brave 1.22.71
  • System Info: System runs Local with https on 10.202.xx.7

Expected behavior:

Users can log in to Zammad with Microsoft365 log in.

Actual behavior:

User is able to Log in trough Microsoft MFA but exits with error code:
AADSTS50011: The reply URL specified in the request does not match the reply URLs configured for the application

Steps to reproduce the behavior:

x

Config:

System: 10.202.xx.7:433
Proxy on Zammad: Enabled and working
Registrated the OAuth App on Azure with the Zammad manual.
Callback URL Azure: https://10.202.xx.7:443/api/v1/external_credentials/microsoft365/callback
Callback URL Zammad: https://10.202.xx.7:443/api/v1/external_credentials/microsoft365/callback
Error Code: AADSTS50011: The reply URL specified in the request does not match the reply URLs configured for the application

If you need me to provide any more Infos feel free to ask. I already searched up the problem multiple times but im stuck since 2 weeks.

Thanks for your help!!

Greeting Clay

The callback url for Office365 Login does look like this:
https://zammad.domain.tld/auth/microsoft_office365/callback

It has to fit your systems fqdn (see your system settings for cross checking)

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