Introduction
During the authentication procedure you may receive the following error: "Unfortunately an error occurred during authentication while performing the action". You can expand Details to find more information about the error and select Try again to see if this fixes the error.
This article describes how to learn more about the error you have received by checking the error code and potential solutions to the issue.
Check the error code
To learn more about the error received you can check its code and get some information and, possibly, a solution. To do this:
1. Expand the Details to show information about the error you've received. Find the error code, for example for the error AADSTS501481 the code will be the numbers after the letters—501484. Copy only these numbers of the error code.
2. Navigate to https://login.microsoftonline.com/error and paste the copied numbers in Error Code.
3. Select Submit to see the description of the error.
TIP
For some errors, recommendations can be provided under the error description. The remediation can help to solve the issue.
For example, for the AADSTS501481 error the remediation provided is Contact the application owner to correct their use of the PKCE parameters.
Most common errors and solutions
Below in the table we list the description and remediation (if any provided) of the most common error codes for the Unfortunately an error occurred during authentication while performing the action error.
| Error code | Description |
| AADSTS501481 | The Code_Verifier does not match the code_challenge supplied in the authorization request. |
| AADSTS160021 |
Application requested a user session which does not exist. A possible workaround may be to enable third-party cookies in your browser settings. |
| AADSTS700003 |
Device object was not found in the tenant '{tenantName}' directory. Remediation: Invalid grant due to the following reasons: |
| AADSTS90094 |
<clientAppDisplayName> needs permission to access resources in your organization that only an admin can grant. Admin consent is required for the permissions requested by this application. Remediation: Ask your tenant administrator to provide consent for this application. |
| AADSTS50076 |
Due to a configuration change made by the admin, or because you moved to a new location, the user must use multi-factor authentication to access the resource. Retry with a new authorize request for the resource. Remediation: User needs to perform multi-factor authentication. There could be multiple things requiring multi-factor, e.g. Conditional Access policies, per-user enforcement, requested by client, among others. |
| AADSTS65001 |
The user or administrator has not consented to use the application with ID '{identifier}'{namePhrase}. Send an interactive authorization request for this user and resource. |
| AADSTS90033 | A transient error has occurred. Please try again. |
More information about error codes can be found in Microsoft documentation:
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