Website does not work: "Authentication required"

Created:

2016-11-16 13:18:30 UTC

Modified:

2016-12-21 20:25:13 UTC

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Website does not work: "Authentication required"

Symptoms

When a website is opened, it asks for authentication or is redirected to this IIS error message:

HTTP Error 401.2 - Unauthorized
You are not authorized to view this page due to invalid authentication headers.

IIS > Sites > example.com > Authentication > Anonymous Authentication > Specific user is selected.

Cause

The password for the built-in IIS user is out of sync with the Windows user.

Resolution

Use the following utilities to fix the issue:

"%plesk_cli%\\repair.exe" --update-websites-anonymous-user (Plesk only)
"%plesk_cli%\\repair.exe" --regenerate-web-server-users-password
"%plesk_cli%\\repair.exe" --synchronize-impersonation-storage
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