Outlook.com error 500. I can't get into my msn.com email on any device or browser

Question

UTC Date: 2026-08-31T17:53:50.171Z Client Id: CE1002F81E2642E4944A396DFCD457D4 Session Id: c9d27859-3321-4d29-b93f-11894fa3db49 Client Version: 20260821009.09 BootResult: fail Back Filled Errors: Unhandled Rejection: SyntaxError: Failed to execute 'json' on 'Response': Unexpected end of JSON input:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|Unhandled Rejection: SyntaxError: Failed to execute 'json' on 'Response': Unexpected end of JSON input:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined|undefined:undefined err: Microsoft.M365.Security.CredSMART.M365SecretException esrc: StartupData et: ServerError estack: Error: 500 at Object.w [as createStatusErrorMessage] (https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.491fdc82.js:1:806)"https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.491fdc82.js:1:806)") at https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.491fdc82.js:1:192762 st: 500 ehk: X-OWA-Error efe: BL1P221CA0037 reqid: f39fc2a3-4de2-7563-89f4-34ec79c6d2dd cv: HTBkVMZNzQpkPrlKYvjClD.3.1.1

Answer 1

Hello

I think there's something going on Microsoft's end right now. I am seeing many people reporting this issue on their service status page. However, there's an active service incident report on the commercial side. It can be related.