Microsoft Entra ID federation with External ID (EEID)
Why it matters: In preview
What to do: Microsoft Entra ID federation with External ID (EEID) enables organizations to let users sign in to customer‑facing applications using their existing workforce Entra ID identities.
Microsoft Entra ID federation with External ID (EEID) enables organizations to let users sign in to customer‑facing applications using their existing workforce Entra ID identities. By leveraging standards‑based federation, users authenticate with their home tenant while applications hosted in an External ID tenant rely on trusted identity assertions from Entra ID. This approach reduces the need for duplicate accounts, streamlines sign‑in experiences, and allows organizations to extend consistent
Affected: Microsoft Entra ID, B2C - Consumer Identity Management