Authenticator App Error : 500121 - Microsoft Q&A
May 27, 2025 · The error code 500121 usually shows up when the security code from your Microsoft Authenticator app isn’t syncing properly. Even if the app shows a valid code, it can …
How to Resolve Azure AD Authentication Error (500121)?
Nov 27, 2024 · Could someone guide me on how to troubleshoot this further or share possible solutions for this error? Any insights or suggestions would be greatly appreciated!
Microsoft Authenticator Error Code: 500121 - Microsoft Q&A
Feb 24, 2025 · A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
Error Code: 500121 Request Id: 873d2a78-8441-4289-867f …
Jul 11, 2025 · Authenticator App: Ensure your Microsoft Authenticator app (or other authenticator app) is open, connected to the internet, and that you're actively looking for a notification or …
Error Code: 500121 - Microsoft Q&A
Jul 5, 2024 · 500121 は MFA が完了されていないことを示しています。 Microsoft Entra サインイン エラーをトラブルシューティングする方法 全ての Entra ID 管理者が管理センターへのサ …
Microsoft 365 Admin Account MFA Error (Error Code 500121) – …
Jul 28, 2025 · I'm trying to sign in to my Microsoft 365 business account (******@XXXX.onmicrosoft.com) as the administrator, but I’m unable to complete the MFA …
Authenticatorアプリを使用できない - Microsoft Q&A
Aug 13, 2025 · 同様の過去質問がありますので参考にしてください。 Error Code: 500121 - Microsoft Q&A 以下の記事も参考にしてください。 [記事] Microsoft Authenticator が利用でき …
error code 500121 on my school account? - Microsoft Q&A
Jun 24, 2024 · no matter what i do cannot get my school account logged in on my auth app. have googled and tried every video error code 500121 is all error i get.
Error Code: 500121 - Microsoft Q&A
Nov 27, 2025 · The error code 500121 indicates that the user didn't complete the Multi-Factor Authentication (MFA) prompt. This error often occurs if the user hasn't finished setting up MFA.
Microsoft Authenticator Issue – Error Code 500121
Apr 15, 2025 · Error code 500121 in Microsoft Authenticator usually indicates a mismatch between the time settings on your device and the server. To resolve this issue, please ensure …