84,978 questions with Microsoft Security-related tags

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TrojanDownloader:Win32/Dalexis.F remediation incomplete how to resolve this?

after running defender to remediate: TrojanDownloader:Win32/Dalexis.F, my pc froze up. Once i started it back up the protection history shows that remediation was abandoned and incomplete. How do I resolve this?

Microsoft Security | Microsoft Defender | Other
asked 2026-06-28T17:43:50.71+00:00
Kostas Nikolopoulos 0 Reputation points
answered 2026-06-28T17:44:12.0733333+00:00

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Can't get into Microsoft 365 account. I own the domain and am the admin for the account. Keep getting stuck in a login loop. Please Help. None of the forum answers have been of use. Thanks.

Can't get into Microsoft 365 account. I own the domain and am the admin for the account. Keep getting stuck in a login loop. Please Help. None of the forum answers have been of use. Thanks. Authenticator not logged in so can't recent the password and…

Microsoft Security | Microsoft Authenticator
asked 2026-06-28T15:12:32.45+00:00
Andrew Suarez 0 Reputation points
0 answers

How to pay personal MS account, when account locked and paymethod is incorrect

Hello, I have two problems. One is that my main personal account is locked until July and the information listed is an old cell phone. If I need that number, then I won't be able to login (still). The unlock is scheduled for July 7. Meanwhile I need to…

Microsoft Security | Microsoft Identity Manager
asked 2026-06-28T13:49:19.7733333+00:00
Crawford, Laura [PHSA] 0 Reputation points
1 answer

Is Microsoft Defender for Endpoint (MDE) alone sufficient, or should we also deploy AMA?

Hi everyone, I have a question regarding the best approach for onboarding Windows and Linux servers to Microsoft Sentinel. Suppose we have around multiple on-prem servers (Windows, Linux, and a few Domain Controllers). If MDE is already deployed on all…

Microsoft Security | Microsoft Defender | Other
asked 2026-06-28T07:14:21.0233333+00:00
Ajay Singh 0 Reputation points
answered 2026-06-28T11:08:39.11+00:00
Marcin Policht 93,875 Reputation points MVP Volunteer Moderator
0 answers

Code length

The Authentication code is too long. It says it is 2 numbers too long. I'm trying to pay a bill

Microsoft Security | Microsoft Authenticator
asked 2026-06-28T06:00:55.2166667+00:00
Michael Garwood 0 Reputation points
commented 2026-06-28T10:39:59.22+00:00
Nathan Roberts (SN) 11,806 Reputation points Student Ambassador Volunteer Moderator
2 answers One of the answers was accepted by the question author.

Entra ID Tenant Created with Microsoft Account Is Inaccessible – Unable to Raise Support Request

（Note） This issue is related to Entra ID. I understand that the proper channel would be to raise a support request through the Entra admin center. However, since the admin center is inoperable due to the errors described below — despite being able to…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-27T13:21:43.1+00:00
Akihiro Kushikawa 40 Reputation points
accepted 2026-06-28T10:32:21.17+00:00
Akihiro Kushikawa 40 Reputation points
1 answer

MSERT scan

Ran MSERT scan, while running it showed 14 infected file but when it completed it showed not malware or viruses found. what this suppose to mean, i am curious?

Microsoft Security | Microsoft Defender | Other
asked 2026-06-28T06:20:45.87+00:00
Swaranjal 0 Reputation points
answered 2026-06-28T10:30:24.7766667+00:00
Nathan Roberts (SN) 11,806 Reputation points Student Ambassador Volunteer Moderator
0 answers

Sign-in failed Error code: AADSTS5000225

Hi Team, Seems due to long inactivity my Azure Account been suspended I guess, can you please help me in restoring this ? Sreehari Thopsi . [Mod Removed - PII] [Moderator edit: Changed tags from: Azure | Azure Cloud Services ]

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-28T09:25:06.89+00:00
Sreehari Thopsi 0 Reputation points
edited the question 2026-06-28T10:04:49.6333333+00:00
Nathan Roberts (SN) 11,806 Reputation points Student Ambassador Volunteer Moderator
1 answer

Security Pro – Strengthen security foundations in Microsoft AI Skills Fest 2026 expecting SC-900 exam voucher, but no voucher claim form appeared after completion. Can you confirm whether this playlist was voucher eligible?

I completed Security Pro – Strengthen security foundations in Microsoft AI Skills Fest 2026 expecting SC-900 exam voucher, but no voucher claim form appeared after completion. Can you confirm whether this playlist was voucher eligible?

Microsoft Security | Microsoft Identity Manager
asked 2026-06-28T08:42:59.5166667+00:00
SRINIVASAN GV 0 Reputation points
answered 2026-06-28T08:52:27.2466667+00:00
Julian Sharp 32,606 Reputation points
1 answer One of the answers was accepted by the question author.

Recover Global Admin Microsoft account with lost MFA Access lockout

Hello, I am unable to get logged back into one of my tenants as a global administrator because my Microsoft Authenticator app was reset and I found out my tenant only had this form of verification configured on the global admin account. I do not have any…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2025-09-09T18:23:16.56+00:00
Derek B 95 Reputation points
commented 2026-06-28T08:17:49.6833333+00:00
Annemieke 0 Reputation points
1 answer One of the answers was accepted by the question author.

Single Global Administrator locked out of Microsoft 365 Developer E5 Sandbox after losing Microsoft Authenticator

Hello Microsoft Team, I am currently locked out of my Microsoft 365 Developer Program E5 Sandbox tenant because Multi-Factor Authentication requires Microsoft Authenticator, and I no longer have access to the registered device. My situation: Microsoft…

Microsoft Security | Microsoft Authenticator
asked 2026-06-28T06:53:24.1066667+00:00
Le Trung Dung 0 Reputation points
accepted 2026-06-28T06:57:23.0166667+00:00
Le Trung Dung 0 Reputation points
1 answer

Reactivation Request for Blocked Inactive Tenant - Error AADSTS5000225

Hello Support Team, My Microsoft Entra tenant has been blocked due to inactivity with error code AADSTS5000225. I am requesting a manual reactivation override as it has been less than 20 days since the block occurred. Tenant ID:…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-27T18:15:56.5866667+00:00
dipesh ahlawat 0 Reputation points
answered 2026-06-28T06:42:41.16+00:00
Jerald Felix 14,885 Reputation points Volunteer Moderator
2 answers

MS Scan show impacted files during scan but show all good at the end of the scan?

I ran a MS Security scan and watched, toward the end of the scan I saw 48 infected files indicated. When the scan completed, I have the following from the system regarding my scan and the infected files - "The scan completed successfully and no…

Microsoft Security | Microsoft Defender | Other
asked 2026-06-28T00:09:53.99+00:00
Peter Crafts 0 Reputation points
edited the question 2026-06-28T04:12:27.3433333+00:00
EmilyS_726 21,005 Reputation points Volunteer Moderator
0 answers

I can't log in to my Instagram because of authenticator app

So the authentication app is generating the codes that I need to use for Instagram but when I copy and paste those codes to instagram it keeps saying its the wrong code and it won't let me try another way

Microsoft Security | Microsoft Authenticator
asked 2026-06-27T21:51:28.18+00:00
sam crew 0 Reputation points
edited the question 2026-06-27T23:52:43.7066667+00:00
Gérard Oomens 124.6K Reputation points Volunteer Moderator
1 answer

Not having the same phone number

Hi, basically I cant join to an account because It requires my old phone number and is quite annoying... What can I do? (Sorry if this is duplicated, I didnt find one)

Microsoft Security | Microsoft Authenticator
asked 2026-06-27T23:15:26.51+00:00
Idk Bro 0 Reputation points
answered 2026-06-27T23:15:48.2766667+00:00

AI answer

1 answer

accounts requiring secondary verification

Upon signing in to any microsoft account, I am asked for secondary login. Particularly accounts I use less frequently, but still need access to. I used to use a temporary cell phone code. Now, using an alternate email address if forced to. Usually now,…

Microsoft Security | Microsoft Identity Manager
asked 2026-06-27T22:42:10.1633333+00:00
Fair Deal 0 Reputation points
commented 2026-06-27T22:51:14.94+00:00
Fair Deal 0 Reputation points
1 answer

Microsoft Defender not activating for virus protection

I removed the McAfee virus protection and its files/data from my PC Windows 11 so I can start using the MS Defender instead. The Windows Security section that shows the Antivirus as being turned off. When I open that app expecting to turn it on, a window…

Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
asked 2026-06-27T21:55:10.58+00:00
Joseph Meier 0 Reputation points
answered 2026-06-27T21:55:27.7633333+00:00

AI answer

1 answer

How to delete an email-account from my Microsoft authenticator?

I have a problem with authenticator, it has worked well for a year but now it looks like one of my email-accounts is logged out and it says ”log in to add your account”. The problem is that when I try to log in it asks me to go to authenticator to accept…

Microsoft Security | Microsoft Authenticator
asked 2026-01-20T09:57:48.2033333+00:00
Amanda Vikström 5 Reputation points
commented 2026-06-27T19:34:24.7666667+00:00
John Di 5 Reputation points
1 answer

Unable to receive a code on the authenticator app

I need to complete some training for my new job that requires me to log in to Microsoft and get a code sent to authenticator app. I am able to sign in to microsoft but the app does not receive a code

Microsoft Security | Microsoft Authenticator
asked 2026-06-27T19:15:30.7166667+00:00
DRog 0 Reputation points
answered 2026-06-27T19:15:49.7433333+00:00

AI answer

0 answers

Removed authenticator account

I removed an account from my authenticator without making a backup. I still have access to my email and password for that account, but now I am locked out because my authenticator is not linked. Can I link my accounts again?

Microsoft Security | Microsoft Authenticator
asked 2026-06-27T19:12:06.4966667+00:00
Hunter Johnson 0 Reputation points