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Alteryx Server: Error: An unknown error occurred during authentication with your Windows credentials

user

Created/Edited - 9/9/2025 by Mitesh Narottam | Alteryx

Description

The following error is encountered when log in to Server UI (Gallery):

Error: An unknown error occurred during authentication with your windows credentials

This image shows an authentication error with Windows credentials when trying to log in to Server UI.

Environment

Alteryx Server
- Version 2020.1+(specifically, for the first issue mentioned above)
- Integrated Windows Authentication, optionally with Kerberos

Cause

The user's Security Identifier (SID) value that is stored in Server is invalid.

Resolution

Compare the user's SID value in the Server persistence database against the SID value in the Active Directory and if necessary, update the SID value in the Server persistence database to match the value in the Active Directory. The steps to do so with a MongoDB persistence database are described in this article: How to understand SID and How to replace SID .

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