3,973 questions with Microsoft Security | Microsoft Entra | Microsoft Entra External ID tags

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B2C Tenant Password reset email issue

When we use the Self-service password reset in our Azure B2C tenants, it triggers the password reset verification email. But the emails are not getting received. We tried with multiple email addresses from different domains and none of them work. This…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-05T01:02:42.0533333+00:00
Kumar Krishnamoorthy 1 Reputation point
commented 2026-06-05T02:08:50.7266667+00:00
Shubham Sharma 16,640 Reputation points Microsoft External Staff Moderator
0 answers

B2B guest invitations blocked tenant-wide due to "suspicious activity"

All outbound B2B guest invitations from our tenant are being rejected with a tenant-wide block. We are a legitimate organization and need this fraud/abuse hold reviewed and lifted. WHAT WE ARE DOING We run an internal learning application (an Azure…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-03T04:02:36.2666667+00:00
William 0 Reputation points
edited the question 2026-06-05T01:21:36.27+00:00
William 0 Reputation points
0 answers

I can't access a directory created for Azure B2C tenants. I'm the administrator.

I can't access a directory created for Azure B2C tenants. It prompts me for MFA, but MFA isn't set up correctly. Even though I've disabled the MFA option for my user in my institution's directory, this change isn't reflected for my user in the B2C…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-04T14:27:20.46+00:00
Cristian Maripangui González 20 Reputation points
commented 2026-06-04T14:45:57.4833333+00:00
Cristian Maripangui González 20 Reputation points
0 answers

User invitation failed due to Insufficient privileges to complete the operation

User invitation failed due to Insufficient privileges to complete the operation. However I am global administrator while API response is Invitations are blocked for this directory due to suspicious activity

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-21T10:00:00.16+00:00
Karim Atef 0 Reputation points
commented 2026-06-04T07:41:41.8466667+00:00
Carolyne-3676 1,136 Reputation points
1 answer One of the answers was accepted by the question author.

Beginner's mistake : convert the only one user to internal

Hello, I just created my student tenant. I linked my student email with my Microsoft account. When browsing the entrance ID I saw this beautiful button on the only user I had. So I tried to convert my external user to internal. Obviously I lost my…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-03T12:46:18.37+00:00
Michel LAVALLERY 20 Reputation points
commented 2026-06-04T06:03:55.05+00:00
Michel LAVALLERY 20 Reputation points
0 answers

Who do I need to contact to resolve this Tenant Error? Invitations are blocked for this directory due to suspicious activity.

Who do I need to contact to resolve this Tenant Error? Invitations are blocked for this directory due to suspicious activity. It says contact Microsoft Support.

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-03T19:44:48.78+00:00
JJ Brantingham 0 Reputation points
commented 2026-06-03T19:52:44.85+00:00
Rukmini 41,995 Reputation points Microsoft External Staff Moderator
1 answer

Lost access to Entra External ID in Azure Admin panel after switching domains on account

Our primary administrator account was still set to .onmicrosoft.com. We recently changed it to use our company domain instead (kflintegrations.com). The primary administrator is also the administrator for our Entra External ID domain under the…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-02T18:36:56.7566667+00:00
AdminUser LFKSolutions 0 Reputation points
commented 2026-06-03T17:11:35.8633333+00:00
Rukmini 41,995 Reputation points Microsoft External Staff Moderator
0 answers

Microsoft Entra customappsso silently drops custom SCIM extension attributes from outbound POST body despite UI showing them as "Modified (successful)"

Hey there. We've configured a custom SCIM provisioning Enterprise Application in Microsoft Entra ID and have hit a behavior where custom extension URN attributes are silently dropped at serialization, even though the Entra portal's Modified attributes…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-02T00:15:38.01+00:00
Gaston Rios Cardona 0 Reputation points
commented 2026-06-03T17:08:19.25+00:00
Rukmini 41,995 Reputation points Microsoft External Staff Moderator
0 answers

Invitations are blocked for this directory due to suspicious activity.

One of our tentants, ID: states that: Invitations are blocked for this directory due to suspicious activity. Contact Microsoft support. We're trying to invite 200 of our customers employees to that tentant.

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-01T20:51:33.4466667+00:00
JJ Brantingham 0 Reputation points
commented 2026-06-03T16:53:55.8566667+00:00
JJ Brantingham 0 Reputation points
0 answers

B2B Collaboration Excel Entra invitations blocked due to suspicious activity

I started inviting external client collaborators to work on excel 365 spreadsheets yesterday - I have 20 spreadsheets in total that need to invite 20 separate collaborators (each person has 2 emails) and I sent out 6 of the invitations which worked, and…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-02T16:05:04.6633333+00:00
Operations NG+ 0 Reputation points
edited the question 2026-06-03T16:12:01.3766667+00:00
Operations NG+ 0 Reputation points
0 answers

returns AADSTS50219 error when legacy user log in with correct password and the custom azure function returning MigratePassword action

The custom Azure function only returns three actions: microsoft.graph.passwordSubmit.MigratePassword, microsoft.graph.passwordSubmit.Retry, and microsoft.graph.passwordSubmit.Block. Among these, the other response actions (Retry and Block) behave as…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-03T11:54:18.8833333+00:00
TU2 10 Reputation points
edited the question 2026-06-03T12:11:40.9066667+00:00
TU2 10 Reputation points
1 answer

Unable to login to Azure AD B2C tenant due to MFA and mobile device change

I'm unable to sign-in to the Azure AD B2C tenant due to the MFA requirement and change in mobile phone. The admin account in Microsoft Authenticator is flagged with Action Required where a QR code needs to be scanned to recover the account in Microsoft…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-03T04:20:48.89+00:00
Caio Daruiz Correa 0 Reputation points
commented 2026-06-03T06:51:19.4533333+00:00
VEMULA SRISAI 13,140 Reputation points Microsoft External Staff Moderator
0 answers

Unable to delete B2C tenant

Getting error code 400 when I try to delete B2C tenant

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-06-02T01:57:33.4333333+00:00
Amit Modi 40 Reputation points Microsoft Employee
commented 2026-06-02T13:15:15.87+00:00
Amit Modi 40 Reputation points Microsoft Employee
1 answer

onPasswordSubmitListener breaks sign-in (AADSTS50000) on CIAM tenant even when user has no migration flag set

Hey, hoping someone has hit this. I'm trying to set up JIT password migration on a Microsoft Entra External ID (CIAM) tenant, basically copying users from an old Azure AD B2C tenant and migrating their passwords on first sign-in. I've followed the docs…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-21T21:05:38.6666667+00:00
Michael E 25 Reputation points
edited a comment 2026-06-02T12:34:48.6933333+00:00
Sina Salam 29,846 Reputation points Volunteer Moderator
2 answers One of the answers was accepted by the question author.

help me to login to microsoft account

Hello microsoft, I can't access my admin account. I'm the only one with access and there are no other admin accounts, only one account in this photo. my authenticator phone has been reset and not backed up. I don't have the verification code saved. I…

Windows for business | Windows 365 Business
Microsoft Security | Microsoft Entra | Microsoft Entra External ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2024-10-18T22:05:21.4466667+00:00
Nuha Abdul Mukaffi 40 Reputation points
answered 2026-06-02T11:10:02.66+00:00
RendaniMukwevho-6533 0 Reputation points
1 answer

AVD SSO Failure with Google Federated External Identity

I want to allow Google (gmail) users to login to AVD. I am using External Identities with B2B user invites. Entra internal, MS and external MS Tenants work fine. But when I attempt to login with Gmail users and click on the desktop (via the web…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-22T10:14:23.72+00:00
Isaac Rayner 0 Reputation points
commented 2026-06-02T10:28:49.5466667+00:00
Isaac Rayner 0 Reputation points
1 answer

External ID in an external tenant: How to register multiple MFA methods

I uses the native authentication in my SPA app. When users encounter the AuthMethodRegistrationRequiredState during login, they can use the following process to register an MFA…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-27T13:57:06.2666667+00:00
TU2 10 Reputation points
commented 2026-06-01T17:15:50.95+00:00
Rukmini 41,995 Reputation points Microsoft External Staff Moderator
0 answers

External ID in an external tenant: How to add social login to an existing account

When using social login, if no associated user object exists, a new user object will be created. However, what I want is to allow users to bind to an existing account.

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-27T12:57:13.99+00:00
TU2 10 Reputation points
commented 2026-06-01T17:15:25.4066667+00:00
Rukmini 41,995 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Client Secret Key Generation Can Generate Invalid Keys

I wasn't sure exactly where to bring up this issue since this is more of a bug report and MS wanted our company to pay for technical support to send this report through the Azure portal. I posted some feedback here:…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2023-12-11T22:33:02.42+00:00
Zach Gummow 20 Reputation points
commented 2026-06-01T14:21:12.3533333+00:00
Johnson, Richard 0 Reputation points
0 answers

Amazon Login (LWA) as Custom OpenID Connect IdP in Entra External ID — concrete config or shim required?

I'm configuring Login with Amazon (LWA) as a federated identity provider in an Entra External ID (CIAM) tenant, following the "Custom OpenID Connect provider" path. The March 2025 GA announcement (OIDC External IdP GA blog) lists Amazon as a…

Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked 2026-05-27T18:46:39.4166667+00:00
rgsiiiya 1 Reputation point
edited the question 2026-06-01T10:57:28.3566667+00:00
Sridevi Machavarapu 32,000 Reputation points Microsoft External Staff Moderator