Microsoft Security | Microsoft Entra | Microsoft Entra External ID
Managing external identities to enable secure access for partners, customers, and other non-employees
4,095 questions
0 answers
Invitations are blocked for this directory due to suspicious activity. Please contact Microsoft support for help.
I have brand-new tenant and am trying to invite users to it but getting "Invitations are blocked for this directory due to suspicious activity. Please contact Microsoft support for help." I am trying to open a case with Azure but not sure I…
Microsoft Security | Microsoft Entra | Microsoft Entra External ID
asked
2026-10-08T17:59:08.92+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 13%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKM%3C/text%3E%3C/svg%3E)
Kevin McGillicuddy
0
Reputation points
asked
2026-10-08T17:59:08.92+00:00
Kevin McGillicuddy
0
Reputation points
1 answer
Microsoft Graph: Conversation History reports childFolderCount=1 but childFolders returns empty
Hello, I am investigating an inconsistency in the Microsoft Graph v1.0 Mail API when accessing the Conversation History folder in a personal Outlook.com mailbox. Observed behavior Two authenticated GET requests against the same folder returned HTTP 200…
Microsoft Security | Microsoft Graph
Microsoft Security | Microsoft Graph
An API that connects multiple Microsoft services, enabling data access and automation across platforms
14,212 questions
asked
2026-10-08T15:49:02.2933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 24%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Cesar Martin Mombelly
0
Reputation points
answered
2026-10-08T17:51:13.7633333+00:00
Vasil Michev
128.3K
Reputation points MVP
Volunteer Moderator
0 answers
I lost my phone and MFA app with it and cannot login to azure portal now
Hi All, Can you help as i cannot login to my personal azure subscription after i lost my phone as it is only asking for mfa code.
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-10-08T17:31:58.66+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 79%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Arvind Kumar
0
Reputation points
asked
2026-10-08T17:31:58.66+00:00
Arvind Kumar
0
Reputation points
0 answers
On-line help is not helpful when..
You are unable to log into your account, and the first thing on line help wants you to do is log in!! MS Authenticator wants a code stuck in a loop
Microsoft Security | Microsoft Authenticator
Microsoft Security | Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
15,592 questions
asked
2026-10-08T17:31:18.3833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 95%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Roger Mayhew
0
Reputation points
asked
2026-10-08T17:31:18.3833333+00:00
Roger Mayhew
0
Reputation points
1 answer
Security Updates for Windows 10
My Windows 10 PC is enrolled for ESU and KB5126256 is installed, but I am no longer receiving security updates using Windows Update. The last security update I received using Windows Update was KB2267602 (version 1.459.576.0) which was created on 6…
Microsoft Security | Microsoft Defender | Other
Microsoft Security | Microsoft Defender | Other
Additional Microsoft Defender tools and services that provide security across various platforms and environments
787 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 3%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
0 answers
Microsoft Purview: Inconsistent DLP rule behavior with exclusions — Unexpected message matches despite exclusions
Problem description I am experiencing an issue with a Microsoft Purview Data Loss Prevention (DLP) rule configured to exclude messages that are Encrypted or Permission Controlled. Despite these exclusions, Activity Explorer shows that certain messages,…
Microsoft Security | Microsoft Purview
Microsoft Security | Microsoft Purview
A unified data governance solution that helps manage, protect, and discover data across your organization
2,173 questions
asked
2026-10-08T16:36:49.9733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 54%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECI%3C/text%3E%3C/svg%3E)
Chris Irving
0
Reputation points
asked
2026-10-08T16:36:49.9733333+00:00
Chris Irving
0
Reputation points
0 answers
Cuenta de azure deshabilitada
uno de mis usuarios tiene este error al tratar de ingresar a los servicios AZURE: necesito ayuda para volver a habilitarlo....
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 17%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
1 answer
How to get FIDO key working within an Azure Virtual Desktop sessionhost?
I have an Azure Virtual Desktop environment with personal assigned VMs, running Windows 11 25H2. The hostpool is configured with an RDP policy to redirect WebAuthn requests to the local device and map any USB devices that are not yet mapped by another…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-07-14T11:03:07.4466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 72%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAV%3C/text%3E%3C/svg%3E)
Arnoud van Raamsdonk
1
Reputation point
commented
2026-10-08T15:09:19.61+00:00
Arnoud van Raamsdonk
1
Reputation point
0 answers
Microsoft Purview Copilot Not Retrieving Assets from Unified Catalog Despite Catalog Search Working
Hi Everyone, Issue: Users can access and use Microsoft Purview Copilot; however, Copilot is not retrieving information from the Unified Catalog and instead returns generic responses. Current Access: Microsoft Purview Unified Catalog is enabled and…
Microsoft Security | Microsoft Purview
Microsoft Security | Microsoft Purview
A unified data governance solution that helps manage, protect, and discover data across your organization
2,173 questions
asked
2026-10-08T06:13:30.14+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 72%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBP%3C/text%3E%3C/svg%3E)
BAG, Priyasankar
0
Reputation points
commented
2026-10-08T15:08:37.6266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(236.8, 79%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Maksood Ahmed
20
Reputation points Microsoft External Staff
Moderator
2 answers
How to Recover Admin Microsoft Account with Lost MFA Access?
I am the sole global administrator for my organization’s Microsoft 365 tenant. Unfortunately, I have lost access to my phone, which was my only registered method for multi-factor authentication. As a result, I am unable to receive verification codes or…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-03-07T07:30:51.0766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 7.000000000000001%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZR%3C/text%3E%3C/svg%3E)
Zwivhuya Ramanenzhe
25
Reputation points
commented
2026-10-08T14:51:20.0466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 97%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
Jason
0
Reputation points
5 answers
NPS Extension for Azure MFA failing to generate MFA prompt
Hi I am trying to setup a new NPS server with the NPS Extension for Azure MFA to control access to an RDS server on-prem. Authentication works fine when not using the NPS Extension. With the NPS Extension enabled, the user does not receive an MFA…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2023-05-09T23:24:26.2+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 87%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWC%3C/text%3E%3C/svg%3E)
Warren Calvert
11
Reputation points
commented
2026-10-08T14:08:02.1666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 5%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEB%3C/text%3E%3C/svg%3E)
Elias Beyer
0
Reputation points
2 answers
Entra - Successfactors Writeback - error: An entry cannot not be provisioned in this target: SuccessFactors. The entry is 160. The reason the entry cannot be provisioned is internal to that application. An example of why an entry cannot be provisioned is
Hi All, I am facing an integration error when trying to writeback user`s business e-mail from Entra to Successfactors. We are using the standard integration scenario for…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-04-03T05:57:41.1266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 94%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMV%3C/text%3E%3C/svg%3E)
Maria Velyakova
0
Reputation points
edited a comment
2026-10-08T13:50:28.0033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(236.8, 83%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Anurag Saxena
0
Reputation points
1 answer
How To Fix Microsoft Defender is blocking an application
Microsoft Defender is preventing an application from running. How can I determine whether the application is actually being detected as a security threat?
Microsoft Security | Microsoft Defender | Other
Microsoft Security | Microsoft Defender | Other
Additional Microsoft Defender tools and services that provide security across various platforms and environments
787 questions
asked
2026-10-08T13:49:15.5133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 25%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESD%3C/text%3E%3C/svg%3E)
sdf dfg
0
Reputation points
answered
2026-10-08T13:49:33.05+00:00
AI answer
0 answers
Need an ATO (Account Takeover Investigation) Ticket submitted or addressed by an enginneer
All I have been trying to do is get my OneDrive back from someone who hacked it. There has been no response from Microsoft and I have submitted the approval form. I need to be able to connect with someone or takes screenshots so my identity is not hacked…
Microsoft Security | Microsoft Authenticator
Microsoft Security | Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
15,592 questions
asked
2026-10-08T13:42:49.8+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 12%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Martin Kennedy Carter
0
Reputation points
asked
2026-10-08T13:42:49.8+00:00
Martin Kennedy Carter
0
Reputation points
0 answers
Norton Virus Scan Not Finding Threats – What Steps Should I Follow?
Norton Antivirus may fail to detect a virus because of outdated virus definitions, disabled real-time protection, or an incomplete scan. Update Norton, enable real-time protection, restart your device, and run a Full System Scan.
Microsoft Security | Microsoft Defender | Other
Microsoft Security | Microsoft Defender | Other
Additional Microsoft Defender tools and services that provide security across various platforms and environments
787 questions
asked
2026-10-08T13:16:28.02+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 28.000000000000004%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVB%3C/text%3E%3C/svg%3E)
Vferdsr Beertyu
0
Reputation points
asked
2026-10-08T13:16:28.02+00:00
Vferdsr Beertyu
0
Reputation points
0 answers
Microsoft Purview: Internal Sensitivity Label Configuration — Access and Sharing Issues
Problem description I am seeking assistance with configuring a sensitivity label in Microsoft Purview to be used solely for internal purposes and to disable sharing options. The current behavior is causing access issues within my organization when…
Microsoft Security | Microsoft Purview
Microsoft Security | Microsoft Purview
A unified data governance solution that helps manage, protect, and discover data across your organization
2,173 questions
asked
2026-10-07T02:48:14.4266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 54%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELZ%3C/text%3E%3C/svg%3E)
Lee Zhen Peng
0
Reputation points
commented
2026-10-08T12:33:16.82+00:00
Maksood Ahmed
20
Reputation points Microsoft External Staff
Moderator
0 answers
MSAL Python 1.36.0 interactive authentication returns HTTP 200 with expires_in=0 — documented meaning and supported validity handling?
We use MSAL Python 1.36.0 interactive authentication with a browser-based authorization-code/PKCE flow to obtain a Microsoft Entra access token for Azure Database for PostgreSQL. The client uses an in-memory token cache, disables the Windows broker and…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-10-08T12:26:56.7266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(48, 77%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPN%3C/text%3E%3C/svg%3E)
Phathutshedzo Nemandalali
0
Reputation points
asked
2026-10-08T12:26:56.7266667+00:00
Phathutshedzo Nemandalali
0
Reputation points
1 answer
What Is The Worst Computer Virus One Can Get?
While only relying only on the M.D.A. as my only line of defense?,can it handle the worst computer virus one can get in 2026?,after many claims were made that the M.D.A. can handle the worst computer virus one can get,only to notice one of my downloaded…
Microsoft Security | Microsoft Defender | Other
Microsoft Security | Microsoft Defender | Other
Additional Microsoft Defender tools and services that provide security across various platforms and environments
787 questions
asked
2026-10-08T03:52:52.9466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 49%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMP%3C/text%3E%3C/svg%3E)
maroner pierre
45
Reputation points
answered
2026-10-08T12:08:57.8166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 38%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMP%3C/text%3E%3C/svg%3E)
Marcin Policht
109.9K
Reputation points MVP
Volunteer Moderator
0 answers
Automated user provisioning with Salesforce - Platform SOAP API login() Retirement
Hi, According to MS documentation - https://learn.microsoft.com/en-us/entra/identity/saas-apps/salesforce-provisioning-tutorial#enable-automated-user-provisioning and our logs we can see that automated user provisioning process between Entra ID and…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-10-08T12:00:11.9233333+00:00
Artur Gulbicki
20
Reputation points
asked
2026-10-08T12:00:11.9233333+00:00
Artur Gulbicki
20
Reputation points
1 answer
Ask for admin consent to application level permissions for multiple Entra apps at once?
Hello, I'm wondering if it is possible to ask for customer admin consent for application level permissions for multiple Entra apps in one consent dialog. Eg., if we have an application for our product A and an application for our product B, and a…
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
31,311 questions
asked
2026-10-07T13:51:16.21+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(28.799999999999997, 70%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Steff
20
Reputation points
commented
2026-10-08T11:32:28.65+00:00
Vasil Michev
128.3K
Reputation points MVP
Volunteer Moderator