July 16, 2026

Analysing Azure AD B2C custom policies to aid with migration to Entra External ID (EEID)

The docs are here. “The Migration Policy Analyzer is available directly in your Azure AD B2C tenant. It scans your custom policies and produces a migration assessment […]
May 18, 2026

Enabling user attributes, e.g. “email” in the JWT in Entra External ID (EEID)

There are always questions about this on Q&A, especially regarding email, so I put together this checklist. User / edit properties / all — check email address actually exists […]
April 29, 2026

On Entra External ID (EEID) custom extensions and event listeners — Introduction

Listener I have a series of posts on this here. There is a wealth of data in the metadata endpoint: GET https://graph.microsoft.com/beta/$metadata Trawling through this, we find […]
March 17, 2026

Entra External ID (EEID) AADSTS1100001 error with token issuance custom authentication extensions

American merchant token coin via Wikimedia The actual error is: AADSTS1100001: Non-retryable error has occurred. Underlying error code: 1003002 I was testing logging in from EEID to […]