Unable To Retrieve Ingestion Status And Get Error "user Is Not Authenticated"

Issue

When enabling Tableau Catalog on Tableau Server, unable to retrieve ingestion status and get following error in your web browser.

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

Tue Apr 21 10:01:58 UTC 2020
There was an unexpected error (type=Unauthorized, status=401).
User is not authenticated

Environment

Tableau Server

Resolution

Make sure to sign in to Tableau Server using your admin credentials before retrieving ingestion status.

Option 1
If you have not configured SSL for external HTTP traffic on your Tableau Server,
Step 1. Open a web browser, sign in to Tableau Server, and keep the tab open.
Step 2. Open another tab, enter the URL for retrieving ingestion status.

Option 2
If you have configured SSL for external HTTP traffic on your Tableau Server,
Step 1. Open a web browser, sign in to Tableau Server.
Step 2. Use browser's developer tools to find the following 2 cookies, and make note of the values.

XSRF-TOKEN
workgroup_session_id

Step 3. Open Postman (or any other similar tool), send a GET request like below to Tableau Server to retrieve ingestion status.
User-added image