First you need to create a new Enterprise Application in Entra ID admin center. (requires admin privileges in your Entra ID account).
- Open https://entra.microsoft.com
- Navigate to Enterprise applications, then open All applications
- Click New application
- Click Create your own application. Give it a name, and leave the rest to default.
- Navigate to Single sign-on in the newly created application, and select SAML.
- Copy the Entra ID and ACS URL fields from this page to the Basic SAML Configuration.
- Download the Federation Metadata XML file from 3. SAML Signing certificate and upload it using Option 1 on this page.
- Copy and paste the ACS URL and the Entra ID from the popup dialog into the Entra Admin page and use defaults for the remaining items in the wizard.
- Navigate to Users and groups in the application you created and assign users or groups you want to be able to log in to this application.
- Last but not least; Make sure to choose the newly created authentication provider as authentication method on your Neowit users