Setting up single sign-on using Entra ID and SAML

Login into your Entra ID admin and create a new app

On the next screen Select "Set up single sign on"

Select SAML

Next upload the Metadata file. You can download it from here

Parameter should be pre-filled from that file:

Next we need to configure what field is mappend to the SAML NameID-attribute. This is the username in the Atlatos-System. Go to "attributes & claims" and configure as needed.

Confirm and save the settings.

Afterwards you can find a download link under "SAML Certificates" for the "Federation Metadata XML" that you can download and send to your contact at Atlatos.