Hello guys, I am trying to load URL (which is SSRS Report) which is having authentication. Below is the code let header = new Headers(); header.append(‘Access-Control-Allow-Origin’,‘ http://localhost:8100 ’); header.append(‘Access-Control-Allow-Credentials’, ‘true’); header.append(“Access-Control…

XMLHttpRequest cannot load URL. Response for preflight has invalid HTTP status code 401

quyle1703 January 17, 2018, 6:00pm 8

Solution you need is here

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No 'Access-Control-Allow-Origin' header is present on the requested resource Ionic ionic-v3	8	8340	October 23, 2018
The server responded with a status of 401 (Unauthorized) ionic-v3	14	5233	July 19, 2021