87,152 questions with Microsoft Security-related tags

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How to rerest Authenticator for onmicrosoft.com account

I got a new phone and the authenticator did not transfer across so when I login in with username and pwd to powerapps with onmicrosoft.com account the authenticator will not issue a challenge number. I do not have an alternative method setup either as…

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T20:04:05.32+00:00
Dermot Hennessy 0 Reputation points
0 answers

I need to reset my Azure MFA

I have not been using Azure for some time 2 years and i lost MFA I can still access my MSDN subription etc but MFA is not working can you sent email link to reset or what is the process

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-03T19:40:28.17+00:00
Karthik Elangovan 0 Reputation points
0 answers

Entra app registration rejects redirect URI on new domain: "The reply URL includes prohibited words or domains"

We are moving a consumer web app (sign-in with Xbox Live through the Microsoft identity platform) from xcore.gg to uzora.gg. Adding a redirect URI on the new domain to an app registration fails with: The reply URL includes prohibited words or…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-01T15:16:10.1666667+00:00
Federico Ercole 0 Reputation points
1 answer

Account access

I’m having an issue getting in my canvas the authenticator app keeps saying I can’t be verified and I can’t access my canvas ! This is frustrating and I’m missing out on my assignments please do something to help thank you !

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T18:37:52.8+00:00
Metcalf, Gebrosha 0 Reputation points
answered 2026-10-03T18:38:05.9933333+00:00

AI answer

1 answer

My Account is hacked and might be deleted or relocated to another email

My microsoft account with email *@163.com has been hacked as a malicious verification code was entered, and now my account has been relocated to a email [[email protected]]. When I tried to login again it says that my email does not exist, so I could not…

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T01:03:04.3033333+00:00
Tony 0 Reputation points
answered 2026-10-03T18:28:09.5333333+00:00
Rob Koch 26,175 Reputation points Volunteer Moderator
3 answers

Windows 11security update will not install - how do i fix this ?

The message in the Windows update page says: 2026-01 Security Update (KB5074109) (26200.7623) - Install error - 0x800f0991 . What do i need to do to fix this install error ? (Windows 11 . BIOS DATE 25 / 04 / 2025)

Microsoft Security | Active Directory Federation Services
asked 2026-01-16T18:37:06.87+00:00
alan waddell 5 Reputation points
answered 2026-10-03T17:44:02.47+00:00
WindowsStinks 0 Reputation points
1 answer

I am unable to access my account. First they deactived my subscription then whole account. I don't have even read access.

This was the first email. To protect the security and privacy of your account, we perform routine audits of all Azure subscriptions. During one of these audits, we identified suspicious activity in your subscription that violates the Microsoft…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-03T17:23:46.9133333+00:00
Eric 0 Reputation points
answered 2026-10-03T17:24:03.3766667+00:00

AI answer

1 answer

Unable to Access Azure for Students After Changing Account from External to Internal (AADSTS16000 / Error 401)

Hello Microsoft Support, I am a university student and I previously had access to my Azure for Students account using my university email. I changed my user account from External to Internal in Microsoft Entra. After this change, I started facing access…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-03T15:55:48.5+00:00
Momna khan 20 Reputation points
edited an answer 2026-10-03T17:17:07.5033333+00:00
Nathan Roberts (SN) 13,701 Reputation points Student Ambassador Volunteer Moderator
1 answer

How do I delete Protection History in the windows defender?

Hello, Recently my windows defender protection history log has been getting larger and larger. Every time I open it it takes 5 minutes to load. I have tried: Deleting C:\ProgramData\Microsoft\Windows Defender\Scans\History in safemode (after turning…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-03T14:59:05.96+00:00
mm 0 Reputation points
answered 2026-10-03T16:54:04.9+00:00
Marcin Policht 109.6K Reputation points MVP Volunteer Moderator
0 answers

AADSTS5000228 – Unable to access my Microsoft Fabric/Power BI tenant

Hello Microsoft Support, I created a Microsoft Fabric Free account for Power BI/Fabric learning and practice. My tenant domain is BIDashboards232.onmicrosoft.com. I am unable to sign in to Microsoft Power BI Service or Microsoft Entra Admin Center. I…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-03T16:50:47.79+00:00
JUHI Khatun 0 Reputation points
1 answer One of the answers was accepted by the question author.

Personal Microsoft account gets 403 for GET /me/calendar with Calendars.ReadBasic consented

I’m signed in to Graph Explorer under Tenant: Personal. My Outlook.com primary calendar opens normally in the browser. Graph Explorer shows Calendars.ReadBasic consented. After signing out and back in, this request still returns 403: GET…

Microsoft Security | Microsoft Graph
asked 2026-09-30T21:52:01.21+00:00
Colin White 0 Reputation points
accepted 2026-10-03T16:07:52.98+00:00
Colin White 0 Reputation points
0 answers

I can't login to my personal Azure subscription using my personal email due to authenticator issues

Hi, If I try to login to my Azure subscription the username and password are accepted but I'm then I bumped to the use authenticator page. I don't get a notification from the authenticator on my phone and the only other option is to enter a code which is…

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T15:52:15.35+00:00
ROSS LARGE 0 Reputation points
edited the question 2026-10-03T16:01:21.03+00:00
ROSS LARGE 0 Reputation points
1 answer

Trying to log in but in a circle

My authorization expired. I am trying to regain access to my email. It is asking for me to use the Authenticator. When I try to log in there is ask me to get a code from the Authenticator. How do I get a code for the code while I am on the Authenticator?

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T13:34:50.8166667+00:00
JC Hennington 0 Reputation points
answered 2026-10-03T13:35:05.51+00:00

AI answer

0 answers

Lost Azure Personal Account MFA, cannot login

I use my hotmail account to register Azure, I'm the only account. But I lost my MFA. I cannot login anymore and don't have a way to send a support ticket for this. It doesn't have phone SMS to login or any other way.

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-03T12:30:31.4533333+00:00
Date Huang 0 Reputation points
edited the question 2026-10-03T12:33:10.52+00:00
Date Huang 0 Reputation points
1 answer

Is Microsoft Graph /search/query supported with delegated Sites.Selected, and will it stay that way?

Hello, I am building an app that searches and reads SharePoint Online content on behalf of the signed-in user. I want the app to only access a set of approved sites, so it uses the delegated Sites.Selected permission only (no Sites.Read.All or…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-03T12:08:38.1+00:00
Bambou 0 Reputation points
answered 2026-10-03T12:09:03.92+00:00

AI answer

0 answers

Lost access to Microsoft Authenticator for Azure

Hi, I've recently lost access to my old phone which had Microsoft Authenticator associated with my Azure account. I can still log into my normal Microsoft account using the same email with MFA but not Azure. I'm looking for ways to temporarily disable…

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T11:08:07.5466667+00:00
Benjamin B 0 Reputation points
0 answers

Reset Authenticator

I have a windows business account for my small business. I recently had my phone replaced due to the other one breaking and lost all my authenticator details. Now when I try and do anything with respect to windows - try to get into apps including email…

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T10:03:18.4533333+00:00
John Bone 0 Reputation points
commented 2026-10-03T11:04:36.0766667+00:00
Nathan Roberts (SN) 13,701 Reputation points Student Ambassador Volunteer Moderator
2 answers

SMS/Voice Authentication Available Despite Being Disabled in Authentication Methods Policy

We have configured the Microsoft Entra ID Authentication Methods Policy and disabled SMS and Voice calls authentication methods. The tenant's legacy authentication methods policy migration status is also Complete. However, we are observing different…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-09-30T14:53:16.0433333+00:00
Dey, Dipronil 0 Reputation points
answered 2026-10-03T10:42:48.0733333+00:00
Rauh, Alexander 0 Reputation points
1 answer

My system is locked due to BitLocker. I have my Microsoft ID and password, but when I try to get the BitLocker recovery key, Microsoft is not sending the OTP to my mobile number. What should I do to receive the OTP and get the recovery key?

My system is locked due to BitLocker. I have my Microsoft ID and password, but when I try to get the BitLocker recovery key, Microsoft is not sending the OTP to my mobile number. What should I do to receive the OTP and get the recovery key?

Microsoft Security | Microsoft Authenticator
asked 2026-10-03T04:30:17.9866667+00:00
Gowtham Selvaraj 0 Reputation points
edited an answer 2026-10-03T10:31:50.73+00:00
Nathan Roberts (SN) 13,701 Reputation points Student Ambassador Volunteer Moderator
1 answer

Entra Tenant Object Quota Stuck at 500

I have an Entra tenant that was created a few days ago that has gone from the temporary object quota of 600 to 500, instead of the documented 50,000 object limit. I do not have an Azure subscription tied to this tenant and therefore do not have any…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-01T18:33:58.6333333+00:00
Josh Garverick 0 Reputation points
answered 2026-10-03T10:23:19.3466667+00:00
Rauh, Alexander 0 Reputation points