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AdminDroid Documents Hub

Get complete assistance with a wide range of resources from Microsoft 365 to AdminDroid, all in one place.

User Help Manuals

Admin Guides

Error Codes

Fix Sign-in Error Code AADSTS500121

Solve Microsoft 365 sign-ins blocked by error 500121 with step-by-step solutions for end users and admins to resolve strong authentication failures.

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Error Codes

Fix Sign-in Error Code AADSTS53003

Resolve error AADSTS500331 that occurs if a logging in user doesn't meet Conditional Access policy criteria.

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Error Codes

Fix Sign-in Error Code AADSTS50055

Learn how to fix AADSTS50055, the Microsoft Entra ID error triggered when a user’s password has expired or must be changed during initial sign-in.

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Error Codes

Fix Sign-in Error Code AADSTS500571

Resolve error AADSTS500571 that occurs when a disabled guest user tries to sign in to the Microsoft 365.

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Error Codes

Fix Sign-in Error Code AADSTS50105

Learn how to resolve the sign-in error AADSTS50105, which occurs when a user is blocked from accessing an application in Microsoft Entra ID.

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Error Codes

Troubleshoot Entra ID Sign-in Error AADSTS50126

Get step-by-step guidance to fix the AADSTS50126 sign-in error, covering both user-side checks and admin-level troubleshooting in Microsoft 365.

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Error Codes

Fix Sign-in Error Code AADSTS53000

Learn how to resolve the error AADSTS53000 that occurs when Conditional Access blocks user sign-ins from a non-compliant device to quickly restore access.

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Error Codes

Fix Sign-in Error Code AADSTS53011

Troubleshoot Microsoft 365 sign-in error 53011, that occurs when a user identified as risky attempts to sign in, with step-by-step solutions.

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Compliance Documents

Customer Stories