Issue has been mitigated as of 20:20 UTC on 19 Oct 2020.
We sincerely apologize for the impact to affected customers. We will continue to investigate to establish the full root cause and prevent future occurrences. Stay informed about Azure service issues by creating custom service health alerts: https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2Fash-videos&data=04%7C01%7Cchandar%40microsoft.com%7C7035671155cb4968c84408d87456a067%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637387263696602197%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=O%2FP6Z1jvrj5egBhTaf0NW%2FY6jsfwzbeBaaD3eMtmAEY%3D&reserved=0 for video tutorials and https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2Fash-alerts&data=04%7C01%7Cchandar%40microsoft.com%7C7035671155cb4968c84408d87456a067%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637387263696612199%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=xR6WMSK5RUWzqFTmZjMjA1B11LY7MGiDK4pA22E1qD4%3D&reserved=0 for how-to documentation.
-Chandar.