85,595 questions with Microsoft Security-related tags

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How to get a admin access to add users in a security group.

How I can get admin access to add users by myself in the security group.

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-07-21T10:14:11.5166667+00:00
Deep Saha 0 Reputation points
2 answers

Can't sign in my microsoft account

how to recover microsoft account, without using authenticator app

Microsoft Security | Microsoft Authenticator
asked 2026-05-19T17:22:35.6166667+00:00
jp 0 Reputation points
answered 2026-07-21T10:04:28.8166667+00:00
Luyanda Malulu 0 Reputation points
0 answers

Graph API: Newly accepted shared calendars (FreeBusyRead) not showing up under /users/{id}/calendars using Application Permissions

Hi everyone, We are experiencing an issue regarding how newly shared calendars are synchronized and exposed via the Graph API when utilizing application context authentication. Note: Our software runs entirely as an automated system service with no user…

Microsoft Security | Microsoft Graph
asked 2026-07-21T09:22:08.38+00:00
Wiebe Dennis 0 Reputation points
1 answer

Keep getting notifications for sign-in requests despite no unusual sign in activity.

I have three accounts set up through Microsoft Authenticator and I keep getting sign in requests despite there being no sign in activity on my Microsoft account dashboard besides myself logging into my account. I’ve changed passwords and I keep getting…

Microsoft Security | Microsoft Authenticator
asked 2026-07-15T14:12:17.4633333+00:00
G-Money 0 Reputation points
commented 2026-07-21T08:52:12.8833333+00:00
Julie Huynh 1,615 Reputation points Independent Advisor
0 answers

Cannot restore O365 deleted user

I have a user who was deleted. Now cannot restore the account, gives an error "Conflicts occurred trying to restore user. Please resolve conflicts" Renamed the conflicting account and the UPN and display name are now different, restoring still…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-07-21T08:40:54.62+00:00
Emanuel Malatji 0 Reputation points
edited the question 2026-07-21T08:46:53.5133333+00:00
Emanuel Malatji 0 Reputation points
1 answer

Trying to use authenticator to accept my work phone.

I'm trying to use authentication to my work phone to accept my request but it's not working.

Microsoft Security | Microsoft Authenticator
asked 2026-07-21T08:39:48.6366667+00:00
James Brasier 0 Reputation points
answered 2026-07-21T08:40:27.79+00:00

AI answer

0 answers

Fraudulent login attempts on Authenticator app

I am getting constant attempted logins from other countries that are not me. I live in the uk and I’m getting constant sign in requests from Ireland and now South Africa. What do I do here as there is no escalation process in the Authenticator app?

Microsoft Security | Microsoft Authenticator
asked 2026-07-21T08:12:07.8966667+00:00
Chris Orr 0 Reputation points
0 answers

Error installing entra connect sync

Microsoft Entra Connect could not configure application-based authentication for this server. Setup cannot continue.

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-07-16T17:13:36.6566667+00:00
Galied Mahmood 0 Reputation points
commented 2026-07-21T08:05:28.2633333+00:00
Jyotishree Moharana 1,865 Reputation points Microsoft External Staff Moderator
2 answers

Office 365 Login Verification

Good day everyone, I have a Personal Microsoft 365 account i can't get logged into due to the number that was used for verification not being active anymore and the email is not setup anywhere so can't verify that way either. Is there anyone that…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-07-15T13:54:18.59+00:00
Corné 20 Reputation points
edited the question 2026-07-21T08:04:13.12+00:00
Raja Pothuraju 47,730 Reputation points Microsoft Employee Moderator
1 answer

In-pace upgrade possibility for ADFS Web application proxy servers

I am writing to know regarding the possibility on in-place upgrade of ADFS Web application proxy servers from Windows 2016 to 2025. I can provide the details required, these servers are not domain joined, are in DMZ, no external application URL…

Microsoft Security | Active Directory Federation Services
asked 2026-07-21T07:53:50.17+00:00
Abhishek Rai 46 Reputation points
answered 2026-07-21T07:54:36.1866667+00:00

AI answer

1 answer

Can't access authenticator

My iphone with my authenticator app broke; I cannot access my one drive without that code. There are no other options I have for multi-security options. When I try to click 'sign in another way' it's a circular hell of authentication where it asks me for…

Microsoft Security | Microsoft Authenticator
asked 2026-07-13T22:56:39.4266667+00:00
Jacob Gurney 5 Reputation points
answered 2026-07-21T07:46:18.3766667+00:00
Sumit D - IA 173.9K Reputation points Independent Advisor
2 answers

I can’t sign in to the Authenticator

So to sign into the account on my Authenticator it is requiring me to use a signed in Authenticator I don’t know what I am doing wrong but I am stuck

Microsoft Security | Microsoft Authenticator
asked 2026-07-07T17:36:44.05+00:00
Callum Sharpe 10 Reputation points
answered 2026-07-21T07:45:57.42+00:00
Sumit D - IA 173.9K Reputation points Independent Advisor
1 answer One of the answers was accepted by the question author.

Entra Domain Service Network

I enable Entra Domain Service so some endpoint and some appliance can connect to the Entra thru LDAP connection. Now i have FortiNAC and when the FortiNAC want connect to the LDAP the FortiNAC need mac address of the LDAP server. How we can knowing mac…

Microsoft Security | Microsoft Entra | Other
asked 2026-06-26T07:26:56.2733333+00:00
Handian Sudianto 7,341 Reputation points
edited the question 2026-07-21T07:41:40.59+00:00
Givary-MSFT 35,791 Reputation points Microsoft Employee Moderator
1 answer

#I lost my authenticator app and cannot login to my account now, how can the authenticator be bypassed?

I lost my authenticator app and cannot login to my 365 accoount and email ... how can we reset the account?

Microsoft Security | Microsoft Authenticator
asked 2026-07-21T07:28:11.7866667+00:00
Robert Corcoran 0 Reputation points
commented 2026-07-21T07:35:08.6466667+00:00
Khairy Zhafran H. Kastella 0 Reputation points
1 answer

Why does Microsoft Authenticator App Does not recognize algorithm=sha256 in OTP url when scanning QR code and generate TOTP based sha256

Hello Microsoft Authenticator Team, We are an enterprise customer using the Microsoft Authenticator App for TOTP, and we have algorithm=SHA256, but it always defaults to SHA1. We request a feature in the Microsoft Authenticator App to support SHA256,…

Microsoft Security | Microsoft Authenticator
asked 2026-07-21T05:35:29.1666667+00:00
Bhavesh Mistry 0 Reputation points
answered 2026-07-21T07:08:40.59+00:00
1 answer One of the answers was accepted by the question author.

My problem with the microsoft Authenticator App

I go to school at KV Basel and we have an email address (my email is [Moderator note: personal info removed] ) If we ever wish to access our account (school website,outlook or even teams) outside of the school, we need to use the microsoft authenticator…

Microsoft Security | Microsoft Authenticator
asked 2026-07-21T06:04:30.3166667+00:00
Ethan Da Silva 0 Reputation points
commented 2026-07-21T06:49:35.5533333+00:00
Ethan Da Silva 0 Reputation points
1 answer One of the answers was accepted by the question author.

AADSTS53003 - Microsoft authentication blocked on Automation VM || Linux machine

I'm unable to access Microsoft 365 from the Automation Linux VM. I have already: Verified the system time and NTP. Tested with Google Chrome 150 and downgraded to Chrome 149.0.7827.155. Cleared browser data and retried. The issue persists with…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-07-20T07:43:39.1833333+00:00
accepted 2026-07-21T04:16:51.2633333+00:00
1 answer One of the answers was accepted by the question author.

Lost Authenticator access lost due to new phone - cannot access account

I lose access to my authenticator app after getting a new phone and cannot log into my account to access Teams or Outlook. I am now locked out of these accounts on both my phone and computer. I have been waiting for two days for a response from my IT…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2025-05-02T21:05:29.9333333+00:00
Ashley Alberti 25 Reputation points
commented 2026-07-21T03:27:32.7366667+00:00
Kate Mills 0 Reputation points
1 answer

I do not have access to the authenticator for my account

I do not have access to my asure or microsoft account- due to issues with MFA. Everything I did-= follow all of the instructions and it still did not work. HELP

Microsoft Security | Microsoft Authenticator
asked 2026-07-21T03:25:41.9833333+00:00
Kate Mills 0 Reputation points
answered 2026-07-21T03:26:01.24+00:00

AI answer

0 answers

"Defender Endpoint P2 Device" Documentation for how to assign licenses to Devices not users

Hello, We have purchased 100+ Device based licenses for defender that are intended for our shared devices that use a shared 'generic' AD user account, these devices do not have primary users as such. Within the 365 Admin Centre, we have assigned the…

Microsoft Security | Microsoft Defender | Other
asked 2026-07-21T01:49:45+00:00
Michael O'Brien 25 Reputation points