Error Code Portal
MicrosoftMicrosoft Entra IDError code

AADSTS51006

ForceReauthDueToInsufficientAuth

Alternative forms: 51006

What does this code mean?

Code AADSTS51006 · An issue reported by Microsoft Entra ID.

Official explanation · Original text

ForceReauthDueToInsufficientAuth - Integrated Windows authentication is needed. User logged in using a session token that is missing the integrated Windows authentication claim. Request the user to log in again.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Microsoft Entra authentication and authorization error codes ↗

Creator: Microsoft Corporation and contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Extracted official AADSTS table; Markdown stripped; short English error name selected; original Korean product context added. Official general diagnostic guide is distinguished from code-specific troubleshooting. Documentation license explicitly granted by README Legal Notices; repository LICENSE currently contains MIT terms, also retained as evidence.

Source details · Original licenses and notices