83,158 questions with Microsoft Security-related tags

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Sole admin locked out of Microsoft 365 tenant due to lost MFA device

I am the only administrator of a Microsoft 365 tenant: alistairstevenson870.onmicrosoft.com I am locked out due to Microsoft Authenticator on a lost device. I have no alternative authentication methods configured. Phone support has failed multiple times…

Microsoft Security | Microsoft Authenticator
asked 2026-05-04T14:15:44.5166667+00:00
Alistair Stevenson 0 Reputation points
answered 2026-05-04T14:16:24.8366667+00:00
Q&A Assist
1 answer

Cannot verify custom domain. Seems that it is already registered for another Tenant Id I do not control

I am the Global Admin of my Azure account. I am trying to register a custom domain xxxxx.tech. After adding the TXT record and waiting over 72 hours, I still get error: *Unable to verify domain name. Ensure you have added the record above at the…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-04T14:12:13.43+00:00
Arturo Calvo 0 Reputation points
answered 2026-05-04T14:12:38.4833333+00:00
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1 answer

Microsoft 365 tenant lockout – Global admin blocked by MFA (no Authenticator access)

I am the owner of the tenant: pm3rlvd.microsoft.com I have to update my creditcard information but i am also blocked out due to Microsoft Authenticator MFA. i have no longer access to the Authenticator app and cannot approve sign-in requests.There is NO…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-04T08:02:40.78+00:00
PIETER 0 Reputation points
commented 2026-05-04T14:10:13.7433333+00:00
PIETER 0 Reputation points
2 answers

Why after Unlicensing Defender for server through azure policy and Re-enabling licensing the Azure Arc > Secuirty GUI shows DFS = OFF

Hello community, I have 2 Resource group. RG1 & RG2. I originally used Azure policy "Configure Microsoft Defender for Servers plan (P1 OR P2)" to licence the subscription so that both RG got DFS Plan2. I then use Azure Policy…

Microsoft Security | Microsoft Defender | Microsoft Defender for Cloud
asked 2026-05-02T23:55:00.2533333+00:00
Tony Ly 0 Reputation points
answered 2026-05-04T13:53:38.0366667+00:00
Tony Ly 0 Reputation points
1 answer

Lost access to Sole Global Admin account due to MFA (New phone/Authenticator issues)

Hello, I am the sole Global Administrator for our Microsoft 365 Business tenant. Recently, I switched to a new mobile device and I no longer have access to the Microsoft Authenticator app on my old phone. Problem: I cannot complete the MFA challenge to…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-04T13:18:40.64+00:00
Haktan Yılmaz 0 Reputation points
answered 2026-05-04T13:19:44.6333333+00:00
Q&A Assist
1 answer

How to connect the SAP JAVA single Stack Application to MS sentinel using agentless connector

Hi, We required to integrate a SAP JAVA application with MS sentinel using Agentless connector. Cloud you please help us to provide any KBA or the Guide or steps to perform this integration. It is helpful for us to fulfill the project needs Thanks and…

Microsoft Security | Microsoft Sentinel
asked 2026-05-04T10:44:07.8466667+00:00
Bhaldar, Riyaj (Ext) 0 Reputation points
commented 2026-05-04T13:14:47.0366667+00:00
Bhaldar, Riyaj (Ext) 0 Reputation points
0 answers

Project hybrid join to fully cloud

AD in house VM as well Entra connect syc VM Create user in AD - sync - office portal assign license - device shows corrporate intune. users have 0365 echange - onedrive data Want to move user and devices fully cloud one by one without lose data specially…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-04T04:22:09.6+00:00
Tsunami Technology 0 Reputation points
edited the question 2026-05-04T13:07:48.63+00:00
Suchitra Suregaunkar 13,450 Reputation points Microsoft External Staff Moderator
1 answer

AADSTS500208 Error when user tries to login, I am using Microsoft Entra ID (Azure AD) with MSAL authentication for my web application.

I am using Microsoft Entra ID (Azure AD) with MSAL authentication for my web application. Setup I registered an application with Supported account types set to: All Microsoft account users. I am using a CIAM authority ({tenant}.ciamlogin.com). …

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-04T10:38:30.41+00:00
Rishav Mahajan 0 Reputation points
edited the question 2026-05-04T13:07:29.2866667+00:00
VEMULA SRISAI 12,365 Reputation points Microsoft External Staff Moderator
0 answers

Two step authentication

Since my Two step authentication has been turned on I cannot get into my security settings, I can logon account but the two step does not return a code to other email address or text message, I would like to change my password and cannot do so

Microsoft Security | Microsoft Authenticator
asked 2026-05-03T17:59:56.99+00:00
robert fortune 0 Reputation points
commented 2026-05-04T12:57:07.9733333+00:00
robert fortune 0 Reputation points
0 answers

Teams Login

A couple months ago, Teams went to a 2-factor authentication. Ever since then, it's been messed up on my phone. Now, I'm having login issues on my computer. It asks for a six digit verification code, but when I type it in, it indicates the code is…

Microsoft Security | Microsoft Authenticator
asked 2026-05-04T12:47:43.2833333+00:00
Deede Wayne 0 Reputation points
answered 2026-05-04T12:47:56.1533333+00:00
Q&A Assist
1 answer

Problema em Logar o Authenticador

Bom dia, não consigo logar o authenticador no meu aparelho novo, pois ficou logado no celular antigo que perdi , o que fazer ?

Microsoft Security | Microsoft Authenticator
asked 2026-05-04T12:46:56.1133333+00:00
Leandro Diego 0 Reputation points
answered 2026-05-04T12:47:34.4366667+00:00
Q&A Assist
1 answer

The code that microsoft autheticator app generates is not accepted by the azure sign in portal.

I have created Azure account using my personal email id. I have attached my card info. In Microsoft center I can see my card attached. When I try to remove the card, I get a warning stating I cannot remove the card as it is attached to azure. When I try…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-04-20T17:57:21.1333333+00:00
Ankit Kalekar 0 Reputation points
commented 2026-05-04T12:42:00.9566667+00:00
Raja Pothuraju 47,245 Reputation points Microsoft External Staff Moderator
1 answer

How to log into Authenticator app on a new phone

How do I log into the Authenticator app on a new phone

Microsoft Security | Microsoft Authenticator
asked 2025-01-04T19:41:29.5466667+00:00
Harry Townend 5 Reputation points
commented 2026-05-04T12:30:50.07+00:00
Camille Lasquite 0 Reputation points
1 answer

Unable to delete External Configuration Tenant applyarc.onmicrosoft.com due to UserCountExceeded error

Hi there, I'm trying to delete an External Configuration Tenant (Microsoft Entra External ID) called applyarc.onmicrosoft.com within my resource group rg - applyarc - prod. When I select the tenant and attempt to delete it through the Azure portal, the…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2025-10-30T20:49:19.1833333+00:00
A.G 0 Reputation points
commented 2026-05-04T12:27:25.4733333+00:00
Peter Davies 0 Reputation points
1 answer

Trojan:Win32/Cerdigent.A!dha

want to know more about how this malware, Trojan:Win32/Cerdigent.A!dha try to infect my pc

Microsoft Security | Microsoft Defender | Other
asked 2026-05-04T12:15:59.6733333+00:00
Luong Tang 0 Reputation points
edited an answer 2026-05-04T12:19:54.8033333+00:00
_AW_ 67,231 Reputation points Volunteer Moderator
1 answer

AADSTS500208 During Login for Specific External Organization Users in B2B Guest Flow

I am using Microsoft Entra ID with MSAL authentication in my application. Scenario I invite users from external organizations as B2B guest users using Microsoft Graph API. The invited user receives the invitation and successfully accepts it. After…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-04T11:56:44.0733333+00:00
Rishav Mahajan 0 Reputation points
answered 2026-05-04T11:57:20.9533333+00:00
Q&A Assist
0 answers

Endpoint DLP stopped working

I configured an endpoint dlp where I select allow in the service domain and included the organisation domain alone. I also create a sensitive service domain list. I then configured DLP policy to block upload to those sensitive service domain and also…

Microsoft Security | Microsoft Purview
asked 2026-05-04T11:03:33.38+00:00
Emmanuel Adebayo 30 Reputation points
commented 2026-05-04T11:28:43.1+00:00
Emmanuel Adebayo 30 Reputation points
0 answers

Invitations from this directory are blocked.

Hello Microsoft Support Team, We are currently unable to invite external guests to our tenant directory as invitations are blocked. When attempting to add users, we receive the message indicating that guest invitations are disabled, which is preventing…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-04-22T15:06:54.2666667+00:00
IBRAHIM OZBEKLER 0 Reputation points
edited a comment 2026-05-04T10:52:22.4066667+00:00
VEMULA SRISAI 12,365 Reputation points Microsoft External Staff Moderator
0 answers

Trying to get snowflake connected with microsoft entra

After we completed the steps from Microsoft our snowflake database still doesn't want to connect to Entra. we keep getting Bad Gateway error.

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-01T16:00:45.0533333+00:00
AADSS 0 Reputation points
commented 2026-05-04T10:43:27.47+00:00
VEMULA SRISAI 12,365 Reputation points Microsoft External Staff Moderator
0 answers

Trying to create entra conditional access policy from template to require mfa for all users.

trying to create entra conditional access policy from template to require mfa for all users. I click create, then get an error message to try later. I've tried a few days in a row now and it is not working.

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-01T14:49:42.22+00:00
Jordan G 0 Reputation points
commented 2026-05-04T10:42:39.14+00:00
VEMULA SRISAI 12,365 Reputation points Microsoft External Staff Moderator