Supported Authentication Methods Matrix

The following table shows the supported authentication methods for each type of service.

Windows Environments

Microsoft Service	Interactive browser authentication	Device code authentication	SPA (Client Secret)	SPA (Certificate Secret)	ROPC
Microsoft Entra ID Portal	✔️	✔️	❌️1	❌️1	✔️
Entra ID GraphV2	✔️	✔️	✔️	✔️	✔️
Azure services	✔️	✔️	✔️	✔️	✔️
Exchange Online	✔️	✔️	✔️	✔️	✔️
Purview	✔️	✔️	✔️	✔️	✔️
Microsoft Teams	✔️	✔️	✔️	✔️	✔️
SharePoint Online	✔️	✔️	❌️2	✔️	✔️
Microsoft Fabric	✔️	✔️	✔️	✔️	✔️

NIX Environments (.NET Core)

Microsoft Service	Interactive browser authentication	Device code authentication	SPA (Client Secret)	SPA (Certificate Secret)	ROPC
Microsoft Entra ID Portal	✔️	✔️	❌️1	❌️1	✔️
Entra ID GraphV2	✔️	✔️	✔️	✔️	✔️
Azure services	✔️	✔️	✔️	✔️	✔️
Exchange Online	✔️	✔️	✔️	✔️	✔️
Purview	✔️	✔️	✔️	✔️	✔️
Microsoft Teams	✔️	✔️	✔️	✔️	✔️
SharePoint Online	✔️	✔️	❌️2	✔️	✔️
Microsoft Fabric	✔️	✔️	✔️	✔️	✔️

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1. Service Principal authentication is not supported in backend Entra ID APIs (ADIbizaUX) ↩↩↩↩

2. Authentication with client secret is not supported in SharePoint Online. You can find more information here and here ↩↩

3. Service Principal authentication is not supported in Microsoft 365 backend APIs ↩