When you try to connect to any resources that require you to provide your identity to continue, you should be prompted to enter your NetID and password on a page that looks like this:
Occasionally, this page fails to load for reasons that are beyond the scope of this article. This will usually result in an Error 400: Bad Request or something similar.
To resolve this, we can purge your cache and session cookie for the colostate domain. The process is roughly equivalent on modern browsers, but please follow the instructions for the browser you are using, below:
Chrome
Edge
Copy paste the following link into your URL bar: edge://settings/siteData?search=cookies
Then type colostate into the Search cookies bar.
Then click Remove all shown.
Then select Clear
Close then reopen Edge. You should now be able to reach NetID protected resources.
Firefox
Safari