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Access to this page requires authorization. You can try changing directories.
Applies to: 
Workforce tenants 
External tenants (learn more)
Microsoft Entra sign-up logs help you troubleshoot sign-up failures for users of applications in your external tenant. This article describes how to isolate sign-up failures and understand the root causes.
Sign-up error codes
To research information about specific sign-up error codes, you can use the following tools:
Enter the error code into the Error code lookup tool to get the error code description and remediation information.
Search for an error code in the authentication and authorization error codes reference.
The following error codes are associated with sign-up events, but this list isn't exhaustive:
50181: Unable to validate the OTP.
- This error code appears when the one-time passcode the user is trying to enter can't be validated.
- The user should request a new one-time passcode.
50182: OTP is already expired.
- This error code appears when the one-time passcode the user is trying to enter is expired.
- The user should request a new one-time passcode.
1002027: Some of the collected attributes were invalid.
- One or more attributes entered by the user during sign-up weren't in a valid format.
- The user should reenter the attributes.
399279: User creation failed during self-service sign-up.
- The user's account couldn't be created.
- The user should retry the sign-up process.
The following codes are not actual errors. They indicate expected interruptions that occur due to the interactive nature of the sign-up process.
1002013: User is prompted to enter Email One-Time-Passcode to verify ownership of email address.
- This is an expected part of the signup flow, where a user is prompted to enter the one-time-passcode emailed to them to verify ownership of email address.
50140: User is prompted with option to 'Keep me signed in' during the sign-in following sign-up.
- This is an expected part of the sign-in flow, where a user is asked if they want to remain signed into this browser to make further sign-ins easier.
If an issue persists despite taking the recommended course of action, open a support request. For more information, see how to get support for Microsoft Entra ID.