87,637 questions with Microsoft Security-related tags

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Email shows on xbox security details but can't select it as primary

I have added a new email address to the security details on my microsoft account but it does not show when I choose "manage how I sign in" and I can't select it as my primary email to login with. It just keeps showing me my old email address…

Microsoft Security | Microsoft Identity Manager
asked 2026-10-24T10:27:31.6533333+00:00
Gary Cartwright 0 Reputation points
0 answers

Windows 11 Smart App Control / WDAC blocking standard Python binaries (_socket.pyd, _wmi.pyd) in open-source apps (QGIS)

Hello Microsoft Support Team, I am facing a persistent issue where Windows Defender Application Control (WDAC) / Smart App Control (SAC) is blocking legitimate open-source binary files (.pyd / .dll) required by QGIS (Version 3.44.15). Even after…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-10T05:46:46.45+00:00
BIPUL KISHOR 40 Reputation points
commented 2026-10-24T09:58:21.1533333+00:00
joulupukki 0 Reputation points
0 answers

Global Administrator MFA Lockout - Error 399287 - Phone Reputation Block

Our Global Administrator account cannot complete MFA. SMS verification fails with error code 399287. Microsoft Authenticator requires signing in again and cannot be used as an alternative MFA method. Please investigate the Phone Reputation /…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-24T08:05:39.0866667+00:00
Nhân Nguyễn 0 Reputation points
commented 2026-10-24T08:16:38.4766667+00:00
Nhân Nguyễn 0 Reputation points
1 answer

I can't login in my Azure account

I use my personal Microsoft account to register Azure. Firstly, I can login in my personal Microsoft account. I login my account on Authenticator app. And I can get the code when login in Microsoft account. When I login in azure portal, after I…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-07-27T03:43:08.39+00:00
Jimi Mo 10 Reputation points
commented 2026-10-24T07:58:28.6633333+00:00
Ed Marquez 0 Reputation points
0 answers

Request to Restore Global Administrator Access / Locate Missing Active Tenant

I am no longer able to view or access a specific enterprise tenant where I was previously assigned as the Global Administrator. Although the tenant appears to still be active, it no longer appears in my directory switcher list when logging into the Azure…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-24T07:38:35.8833333+00:00
Filip Kiniorski 0 Reputation points
0 answers

Get email of the creator of the event in the shared calendar

We use below three api's in our flow. We need to get the detail of the mail Id through which the event is created in the shared calendar. These api don't return those detail by default in the response. Question: Is there any api or work-around to get…

Microsoft Security | Microsoft Graph
asked 2026-10-22T20:35:37.23+00:00
Shweta Agrawal 0 Reputation points
commented 2026-10-24T06:58:21.7066667+00:00
Shweta Agrawal 0 Reputation points
1 answer

Authenticator app log in

I cant log in to my authenticator app beacuae it requires I verify a code on the authenticator app but I can't since im trying to log in the authenticator app

Microsoft Security | Microsoft Authenticator
asked 2026-10-06T21:37:01.4533333+00:00
THULANI KHOZA 0 Reputation points
commented 2026-10-24T03:45:05.29+00:00
Denise Stoesser 0 Reputation points
1 answer

how to fix wire tapping pop up

Over the last few days I have been repeatedly getting a pop while on the internet that that I have a wire tapping which tries to me direct to a suspicious web site to supposedly fix it. How do I correct this issue?

Microsoft Security | Microsoft Defender | Microsoft Defender for Identity
asked 2026-10-24T02:20:09.3366667+00:00
John Prizzi 0 Reputation points
answered 2026-10-24T02:21:07.56+00:00

AI answer

1 answer

Microsoft 365 Copilot Desktop Sign-in Fails with AADSTS53003 Under FIDO2 Conditional Access Policy

Hello, We are experiencing an authentication issue with the Microsoft 365 Copilot desktop application after enforcing FIDO2 authentication for privileged administrator accounts through Microsoft Entra Conditional Access. Current configuration: …

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-23T10:26:25.0733333+00:00
MILAN OMIDVAR 0 Reputation points
answered 2026-10-24T00:26:32.1233333+00:00
Grant Totinov 0 Reputation points
1 answer

Authenticator Login

No access to my phone number so cant login to authenticator

Microsoft Security | Microsoft Authenticator
asked 2026-10-23T23:48:28.5266667+00:00
Maison Uwe 0 Reputation points
answered 2026-10-23T23:49:06.3133333+00:00

AI answer

1 answer

Microsoft Defender app (Windows 11 26H2): crashes on launch with access violation in OneAuthInterop.dll, no window appears

The Microsoft Defender app on my Windows 11 PC crashes about 2 seconds after every launch. No window ever appears. It started on Oct 5, 2026, after repeated "sign back in" errors in the app the same day. Steps to reproduce: Install Microsoft…

Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
asked 2026-10-05T22:18:25.2233333+00:00
Richard Hammers 75 Reputation points
commented 2026-10-23T21:48:57.24+00:00
Jade Hendry 0 Reputation points
1 answer

Não consigo acessar o Microsoft Azure ou ENTRA

Toda vez que tento acessar minha conta na Azure recebo a mensagem: "You are required to register an authentication method to continue but none have been enabled for this account. Contact your admin for help" Isso começou depois que baixei o…

Microsoft Security | Microsoft Authenticator
asked 2026-10-10T16:03:01.6466667+00:00
Victor Oliveira Andrade 0 Reputation points
commented 2026-10-23T20:59:10.28+00:00
Victor Oliveira Andrade 0 Reputation points
1 answer

Windows desktop locked

My desktop has need locked by windows defender with instructions to call Windows support. How do I do that?

Microsoft Security | Microsoft Defender | Other
asked 2026-10-23T20:11:44.5033333+00:00
Jay Rosenberg 0 Reputation points
answered 2026-10-23T20:12:00.0166667+00:00

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0 answers

Microsoft account Hacked.

I cannot log in to my Microsoft account using my email because it says that my account does not exist. I am still signed into the same account on my computer but in windows it says that my name is Jenny Henkes, which is not my name. I have also been…

Microsoft Security | Microsoft Identity Manager
asked 2026-10-23T15:11:16.62+00:00
Zac Goodliffe 0 Reputation points
edited the question 2026-10-23T19:58:55.14+00:00
Zac Goodliffe 0 Reputation points
1 answer

Authenticator app failed

I got a new phone and it signed me out of my email on my phone. I have been trying to get it back but it also signed me out of my authenticator app on my phone. When I sign in it only gives me the option to scan QR code (doesnt work) or a securtiy key (i…

Microsoft Security | Microsoft Authenticator
asked 2026-10-23T19:13:40.67+00:00
Jones, Jillian 0 Reputation points
answered 2026-10-23T19:15:12.76+00:00

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2 answers

BitLocker locked HDD and need to know account attached to it

I bought a computer 4 years back, it got too slow so I took it back and they installed another hard drive. Now the old hard drive is locked by bitlocker and my Microsoft account says it does not have bitlocker key. Now I do not know which account is…

Microsoft Security | Microsoft Entra | Other
asked 2026-10-12T13:44:05.5866667+00:00
Kabelo Kgalaeng 0 Reputation points
answered 2026-10-23T18:49:16.9833333+00:00
Sreejith Reghunathan Pillai 30 Reputation points MVP
0 answers

Sole Azure administrator locked out by MFA (500121) — phone support redirects to website, consumer chat cannot help

I use a personal Microsoft account (Hotmail) to administer my Azure subscription. I am the sole user and administrator. My personal Microsoft account works: I can sign in at account.microsoft.com using a passkey or the six-digit code from Microsoft…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-07T21:06:31.7666667+00:00
Bent Jørgensen 0 Reputation points
commented 2026-10-23T18:48:56.89+00:00
Bent Jørgensen 0 Reputation points
1 answer

How to resolve the "failedAdminServiceApiCall" while Define organization settings

I'm tried to Define organization settings under Microsoft Entra Admin center. but after filled the following and save. I'm getting the error "Error code: failedAdminServiceApiCall". I need a help/guide to fix it. Organization name :…

Microsoft Security | Microsoft Entra | Other
asked 2026-10-17T01:14:24.9966667+00:00
S ARUL JOTHI 0 Reputation points
answered 2026-10-23T18:33:31.5066667+00:00
Sreejith Reghunathan Pillai 30 Reputation points MVP
1 answer

Authenticator

Hi how do I delete an old email from authenticator app?

Microsoft Security | Microsoft Authenticator
asked 2026-10-23T18:11:15.04+00:00
Jenn Chambers 0 Reputation points
answered 2026-10-23T18:11:42.69+00:00

AI answer

1 answer

Epic games 2fa

I accidentally removed my epic games 2fa from the authenticator app how do I claim it back

Microsoft Security | Microsoft Authenticator
asked 2026-10-23T18:04:34.2+00:00
Omer 0 Reputation points
answered 2026-10-23T18:05:13.19+00:00

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