If this request will be archived, users who have been using Dynamics 365 from on-premises will be easier to use Dynamics 365 Guides.

[Expected Result]
Can log in Dynamics 365 Guides with a federated domain.

[Actual Result]
Can log in Dynamics 365 Guides with a Microsoft Dynamics 365 sign-in credentials for an organization (e.g. *******@contoso.onmicrosoft.com).