KB-1556 Appian Health Check fails with a 401 unauthorized error


Health Check Plug-in

While running the Health Check application, the Health Check fails to connect to Appian Forum with the following error, even though the same credentials have worked successfully in the past:

Title: HTTP error connecting to https://forum.appian.com/suite/plugins/servlet/stateless/healthcheck/1.0/requestanalysis?is_production=true&is_cloud=true&start_date=&end_date=, Message: HTTP/1.1 401 Unauthorized, Details:

Admin Console Health Check

When the Health Check run begins, it fails on the data collection step with an "Invalid Community credentials" error:

Alternatively, while trying to save the Health Check account credentials in the Admin Console, an invalid credentials error appears:


The password for the Health Check service account has expired. Service account passwords expire every 365 days and need to be reset.


  1. Attempt to log into https://forum.appian.com/suite/portal/login.jsp using your current Service Account credentials. If prompted, update your password.
  2. If you are unable to change the password, submit a case with Appian Technical Support to request a password reset for the Health Check service account.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: August 2021