September 2019 Scheduled Down Time for Maintenance
Issue: Autodesk software and services requiring sign in (or identity-based access) will be unavailable beginning at 8:30 pm PDT on Friday, September 20, until 3:30 am GMT, Saturday, September 21).
Solution: To continue to improve the resiliency and scalability of our products, Autodesk will perform a maintenance update, which will result in some services being down for approximately two hours. No action is required.
Learn more from the official Autodesk Knowledge Network post, by clicking here.