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Inconsistent Microsoft Entra ID Authentication for B2B Guest Users Using Gmail or Personal Microsoft Accounts

Hello Microsoft Support, We are experiencing an issue with the authentication process for external users accessing our application through Microsoft Entra ID. Our application is intended for external contractors, who are registered in our CRM and invited…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-11-04T09:16:48.9266667+00:00
Idit Nevo 0 Reputation points
edited an answer 2026-11-04T11:55:54.2566667+00:00
Paul Thomas 80 Reputation points
2 answers

Post-SMS Retirement Enforcement Scope

Post-Feb-1, for a user whose only method is SMS/voice (or who has zero methods), who signs in to a resource where no CA policy demands MFA — does the blocking passkey-registration requirement fire on that non-MFA sign-in, or only when an MFA demand is…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-08-17T19:58:27.8766667+00:00
Alena Halenwood 5 Reputation points
answered 2026-11-04T11:37:30.1733333+00:00
Syed Masood Raza Kazmi 0 Reputation points
2 answers

Error 399287 – Sole Global Admin locked out, SMS MFA blocked

Hello Microsoft Support Team, I am unable to access my Microsoft Entra ID tenant because SMS multi-factor authentication is blocked. Tenant: vitebsk.onmicrosoft.com Affected account: Error Code: 399287 Phone country code: +375 (Belarus) The phone number…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-27T14:34:42.8266667+00:00
Andrei Hnidzenka 0 Reputation points
commented 2026-11-04T11:34:11.2433333+00:00
Andrei Hnidzenka 0 Reputation points
0 answers

Microsoft 365 – Global Admin Lockout / MFA Recovery – Unable to Contact Support

Hello, I am the owner of a small Swedish company, and we have completely lost access to our Microsoft 365 business tenant due to an inaccessible Microsoft Authenticator registration. Neither I nor the person who originally configured the account can sign…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-11-04T11:19:17.52+00:00
Anna Ranje 0 Reputation points
1 answer

Microsoft authentificator & webmail

My microsoft authentificator app doesn't work, I have 2 emails registered with the app, and any time I try to identify myself with the app, it never works, highly annoying. And now i can't log into one of my emails on my laptop or other devices that…

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T10:34:30.7266667+00:00
Zacharie Proust 0 Reputation points
answered 2026-11-04T10:34:49.79+00:00

AI answer

1 answer

My (different) microsoft account doesn't recognize my email adress.

My microsoft account, which isn't this one, doesn't let me sign-in in it because it doesn't recognize my email. I know I typed it right. I tried recovering it, but with no succes, since the support page has been really unhelpful. I don't know how else…

Microsoft Security | Microsoft Identity Manager
asked 2026-11-04T10:28:22.3166667+00:00
Mitya 0 Reputation points
edited the question 2026-11-04T10:30:53.3066667+00:00
Mitya 0 Reputation points
1 answer

I have lost access to microsoft account in my laptop

Hi, This top urgent. I have lost my access to the microsoft account in my laptop since today morning. I have been trying to contact live support chat. but Microsoft keeps sending me on never ending bot loops with automatic support. I am terribly upset…

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T10:19:06+00:00
Tharidu De Silva 0 Reputation points
answered 2026-11-04T10:19:30.89+00:00

AI answer

1 answer

Does Microsoft 365 E5 Information Protection and Governance include Audit (Premium)?

Hi Microsoft Community, I would like to clarify the licensing capabilities of Microsoft 365 E5 Information Protection and Governance. Does this license include Microsoft Purview Audit (Premium) features, or is a separate license/add-on required to use…

Microsoft Security | Microsoft Purview
asked 2026-11-04T10:15:58.5933333+00:00
Thishni Perera 75 Reputation points
answered 2026-11-04T10:17:22.78+00:00

AI answer

1 answer

Microsoft Authenticator generating invalid Instagram codes after switching phones

I recently switched phones and restored my Microsoft Authenticator app using a previous backup. Since then, the app has been generating invalid six-digit authentication codes for my Instagram accounts. The codes refresh every 30 seconds as normal, but…

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T09:14:45.5366667+00:00
Olivia P 0 Reputation points
answered 2026-11-04T09:15:04.1366667+00:00

AI answer

1 answer

didnt receive any code verification

i didnt receive any approved notification or code from my app

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T05:33:28.3833333+00:00
Auditor, Abegail 0 Reputation points
answered 2026-11-04T05:35:05.84+00:00

AI answer

0 answers

Microsoft Sentinel auto-resolving to "Simple mode" rather than "KQL mode".

Regardless of the setting being enabled to "Select the mode you would like Log Analytics to be in default" - see attached image - sentinel has recently been automatically opening Log Analytics in simple mode. Whilst this obviously isn't a huge…

Microsoft Security | Microsoft Sentinel
asked 2026-11-04T05:29:44.0066667+00:00
Arthur Williams 0 Reputation points
0 answers

Invitations are blocked for this directory due to suspicious activity – 2 of 12 student guests failed

I am the global administrator of a newly created Microsoft 365 trial tenant, set up for student exchange activities between educational institutions in Japan and overseas. On November 4, 2026, I bulk-invited 12 guest users (students of my own institution…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-11-04T04:45:10.3966667+00:00
Yukin 0 Reputation points
1 answer

My Microsoft Account Suddenly Became Unrecognizable After an Unauthorized Passkey Was Added

Hello, I need help recovering access to my Microsoft account. On November 3, 2026, at 13:05, I received an email from Microsoft titled "Security info added". It stated that a passkey had been added to my account. I did not add this passkey and…

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T04:39:01.43+00:00
triệu hoàng 0 Reputation points
answered 2026-11-04T04:40:16.1633333+00:00

AI answer

2 answers

Do I actually need Web Protection ?

I already have virus and Threat protection. However, I am wondering about web protection.

Microsoft Security | Microsoft Defender | Other
asked 2026-11-04T03:35:24.6166667+00:00
David Lee 0 Reputation points
answered 2026-11-04T04:26:48.3533333+00:00
Marcin Policht 112.2K Reputation points MVP Volunteer Moderator
0 answers

Hỗ Trợ Tài Khoản Mất Liên Kết Xác Thực

tài khoản 365 của tôi bị mất Liên Kết Xác Thực authen có các nào để khôi phục không?

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T04:26:01.5266667+00:00
pcnghean279 0 Reputation points
1 answer

Microsoft Entra External ID customer tenant - Conditional Access step-up MFA, licensing and Security Defaults

Hello Microsoft Support, We're developing FleetTrack, a UK-based SaaS application using Microsoft Entra External ID for customer authentication. Our configuration is: Microsoft Entra External ID customer tenant. Entra External ID Core offer, linked to…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-11-03T20:10:29.3133333+00:00
Maris Garrett 0 Reputation points
answered 2026-11-04T04:16:21.9033333+00:00
Paul Thomas 80 Reputation points
2 answers

New Users Past the SMS/Voice Authentication Deadline

Hello, Will new users be required to register a passkey past the retirement date for SMS/Voice authentication on February 1, 2027? Or will other authentication methods (like passcode from the app) still be available for users? Thank you!

Microsoft Security | Microsoft Authenticator
asked 2026-11-03T23:20:48.63+00:00
Alexies Fabian 0 Reputation points
answered 2026-11-04T03:20:20.6766667+00:00
Michelle Nguyen 2,620 Reputation points Independent Advisor
1 answer

cannot get into my authenticator app

i hate you microsoft i hate you microsoft i hate you microsoft. so i am trying to get into xbox live like bro thats all im trying to do. i have my old phone number linked. but i cannot get into my autheticator app becasue i cant log in becasue it keeps…

Microsoft Security | Microsoft Authenticator
asked 2026-11-04T03:17:49.7866667+00:00
isac martinez 0 Reputation points
answered 2026-11-04T03:18:29.7066667+00:00

AI answer

0 answers

What Is The PUADlManager:Win32/Bandoo?

I only have the M.D.A. as my only line of defense,and weird as it may sound to you?,the dangerous downloaded jzip program went through with no issues whatsoever, and then sent the downloaded program to VirusTotal.com,after the scan was completed,it was…

Microsoft Security | Microsoft Defender | Microsoft Defender for Cloud
asked 2026-11-04T02:05:54.47+00:00
maroner pierre 80 Reputation points
1 answer

How to get authenticator codes on a new phone

i recently had to switch phones and logged into my authenticator on my new phone but all codes get sent to my old phone and i don't know how to fix it. I won't be able to keep my old phone running for long and would love to know how to fix it.

Microsoft Security | Microsoft Authenticator
asked 2026-11-03T20:48:32.4033333+00:00
Anesu Maregedze 0 Reputation points
commented 2026-11-04T01:21:27.1+00:00
carly 0 Reputation points