Hi Paul Reed,
Thank you for reaching out to us on the Microsoft Q&A forum.
Step 1: Sign-out from all the tabs in the current browser and clear the cache files and try login again with your learn ID credentials.
Step 2: Sign-out from current browser login and try to login from an incognito window/in-private window.
Step 3: Switch to a different browser and try login again.
It was down for a few hours, but we just tested it again, and it worked successfully. Please try the unit again, as it is now functioning properly as demonstrated:
Please don't hesitate to reach out to us if you have any other queries.
If you found the information helpful, we would greatly appreciate it if you could acknowledge it by selecting the Accept Answer & Upvote options.