Microsoft 365 is experiencing problems for SharePoint Online and OneDrive for Business services. The outage started at approximately 9:45 AM today and is causing a “The server is busy now. Try again later”” Microsoft says a recent deployment resulted in a code configuration error that caused load balancers to process traffic at a suboptimal rate. There is no indication as to when this service degradation will be fixed. In a tweet posted at 1:15 AM this morning
Source: security