Outlook 2016 mfa password loop. MAPI/HTTP cannot be disabled.


  1. Outlook 2016 mfa password loop. Find step by step how to solve the problem. I just discovered the recent adopters of Office 2019 who setup Outlook before I enabled Modern Authentication will need to recreate an Outlook profile for it to maintain the password. Thank you! Best Feb 25, 2024 · Multi Factor auth is enabled on my Office 365 account. You need to enable modern authentication on yuour domain for Outlook 2016 to not require the app password. Topic Replies Views Activity Outlook Needs password then sign in is broken O365 Cloud Computing & SaaS microsoft-office-365 , question 6 582 September 4, 2023 Outlook Randomly losing credentials Software microsoft-office , question 4 429 May 11, 2020 Feb 20, 2019 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Apr 21, 2017 · We currently have an on-premise AD domain and Office 365 for mail, using AAD Sync. I tried the domain Jun 25, 2025 · Describes two scenarios in which Outlook prompts for credentials and doesn't use Modern Authentication to connect Microsoft 365. Copy the app password displayed and enter it in the password field when you're connecting your Outlook. 19043. Does anyone else randomly have users who get into this loop where iOS mail prompts for the users password, they put it in, they get a MFA request, they approve it, and then it just loops? in this instance the user just changed their password, so were going to delete email, remove account from authenticator and re-add it, but sometimes it will randomly happen as well Jul 8, 2024 · How to fix the Office 365 Outlook error message stating that to keep your account secure, you need to update your browser Feb 14, 2025 · Set its value to 0. Jun 27, 2023 · Outlook continually prompts for password. I then realized that… Feb 17, 2025 · A client was facing an issue where end users were stuck in a login loop when trying to access Intune-managed apps (such as Outlook and Teams) on their mobile devices using their corporate credentials. 0 will be used in place of 16. Using Azure Portal: Sign in to the Azure portal with the tenant Global Administrator account or an Account with an Authentication Administrator role. After doing this it caused outlook to start prompting only for the last hand full of users. Mar 7, 2025 · Stop Outlook from repeatedly asking for your password on Windows. We have a hybrid Exchange setup as well. Jun 25, 2025 · For more information, see Outlook prompts for password and doesn't use Modern Authentication to connect to Microsoft 365. Thank you again for your time and patience throughout this issue. After Mar 25, 2025 · Fix Outlook not prompting for MFA. com account to Outlook 2016 or Outlook 2013. Below, we’ll examine the step-by-step measures you can take to resolve these ongoing password prompts. But every time I try to add an account to Mail (in control panel, so I can use it in outlook) it will drop the modern authentication window but it's blank so I'm… Jul 24, 2025 · You're describing what's commonly referred to as an Outlook authentication “doom loop”, where it continuously prompts for login and MFA without progressing. Jul 15, 2024 · If that doesn't resolve your issue with MFA endless loop, then you'll have to contact your IT department to reset your MFA status, so you can set up the Microsoft Authenticator app as your verification method. So kind of stuck there! Dec 11, 2017 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Jul 20, 2020 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Mar 28, 2018 · We recently enabled MFA with Office 365. She accesses all other parts of Office 365 just fine (Word, Excel, Skype for Business, etc). No matter which password was entered it continued to prompt. We also use modern authentication. Check the conditional access policies in your Azure AD tenant to ensure that they are not blocking access to the affected applications. Hi all, I enabled MFA for all of my users this morning and some of them are using the iPhone mail app instead of the Outlook mobile app. Sep 25, 2019 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Sep 5, 2019 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for you to enter your password. If the Dec 18, 2022 · Microsoft Office General WindowsGet answers from your peers along with millions of IT pros who visit Spiceworks. I also have users with email on their phones prompting for password. I’ve tried a few reg entries, clearing credentials, app passwords, etc, but nothing consistently works. Recommended Continue reading Jun 25, 2025 · Describes an issue that causes you to be prompted for your password every time that Outlook 2016 or Outlook 2013 starts. The user will see the authentication window open briefly and then immediately close while Outlook continues to show the message “Need Password”. I tried deleting Outlook profile and creating a new one. Everyone else just uses O365 credentials. Mar 8, 2018 · Have any of you, recently, connected an MFA enabled Microsoft Account (MSA) to Outlook 2016 (desktop) without having to use an app password? If there is documentation on this specific topic one way or the other, I can't find it. We are all on Oct 9, 2018 · Only a few administrators use MFA now. MAPI/HTTP cannot be disabled. Apr 26, 2025 · Very few things derail digital productivity like being stuck in a relentless Outlook password loop. Oct 9, 2018 · 1 I have an Office 365 account set up with two email accounts under one profile in Mail 32 in control panel. Navigate to Azure Active Directory > Users > All users > Choose the user you wish to perform an Check the MFA settings for the affected applications in the Azure AD portal and ensure that they are properly configured. Here 16. We've had four instances where the employee is repeatedly prompted to authenticate until it gives a message saying that they've met the limit of… May 29, 2024 · I'm having issues with the Outlook installation on my Windows 10 work PC with email accounts added as Exchange accounts (Exchange 2016 hosted by OVHCloud, not on Microsoft 365). By default it is turned off so Outlook 2016 fails back to basic authentication meaning app password. We are running on Exchange 2016 CU21 with the most recent SU patch. Join Now Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled Sep 3, 2025 · This article explains the causes of an Office365 authentication loop, including MFA mismatches with Azure AD and expired Active Directory passwords. They will open Outlook, and Outlook will say it "Needs Password" May 2, 2018 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Nov 10, 2020 · Fix outlook asking for password again and again In this video we will get to know about the kind of password prompt we are receiving and the reason for the same respectively. Hi r/sysadmin, longtime lurker, first-time poster. I have been Turning on MFA for users a group at a time all was going smooth. Close the registry and check the option in Outlook again - it should still be greyed out but unchecked. Dec 12, 2020 — Outlook 2016 mfa password loop I can't take credit for the command, my boss found it via Google, but here is the fix that has worked for us:. The next morning after turning on MFA for the last hand full of users I had to force a password change company wide due to an internal issue. Thank you for your help! Feb 8, 2024 · The only Exchange Server that will stay on-premises is Exchange Server 2016. Dec 11, 2023 · User constantly getting password prompt even with the correct password user still not able to authenticate. Anybody had this issue? What can be done here? I tried uninstalling Office and re-installing. Don’t let persistent password prompts derail your Nov 9, 2018 · Hello! I used this article Microsoft Support to set up 2FA for a new test user account on my domain, then tried to add the account to Outlook 2016 that already has my main account and another account on my domain connec… Mar 17, 2024 · A widespread problem is when Outlook keeps asking for the user credentials, even if the correct password is specified. Feb 10, 2025 · This post provides guidance on the solution to the issue Outlook prompts for password when Modern Authentication is enabled. I’ve seen it default to something like their user ID, but not what it should be. 0, is for Outlook version 2016 if you are using the previous version of Outlook you may change it's value. The user will type their password and access mail successfully; however, they will be prompted for their Dec 10, 2024 · Issue: Action required - Infinite loop MFA when trying to login Solution: CSP Distri could revoke the admin's MFA an I'm able to login again. For more information, see Outlook 2010, 2013, 2016, or Outlook for Microsoft 365 doesn't connect Exchange using MAPI over HTTP as expected. App kept going in circles repeatedly. When a user changes their password from their computer, the next time they close and re-open Outlook, they are prompted via modern authentication for their password. however we disable modern authentication using registry key enableadal = 0 can fix this issue but this is not feasible. Aug 12, 2025 · In this tutorial, you will learn practical methods to diagnose and fix the problem of Outlook repeatedly asking for password, so you can handle your email without annoying interruptions. Aug 13, 2021 · I have a problem similar to this, but there are additional symptoms, and solutions proposed there did not work. Sep 20, 2023 · Hi, We were setting our employees up with MFA authenticating through 8x8 either text or call. Jul 20, 2025 · Is Outlook constantly demanding your password, disrupting your workflow and threatening to lock you out of your inbox? This frustrating issue often arises after password resets, software updates, or when Outlook’s internal settings go awry. any guidance you can share to help resolving this issue. The authentication app kept telling me to open the authentication app and enter the code even though I was ALREADY IN THE Feb 7, 2025 · I am the admin of my organization. Aug 13, 2024 · Get the solution for Outlook needs password after Hybrid Modern Authentication implementation. I’ve tried various registry changes that I’ve found from Googling, tried changing the password, tried re-installing Office and also enabling & disabling MFA. Fix login issues with these simple troubleshooting steps and get back to seamless email access. If Outlook keeps prompting for password after a reboot or logoff/logon, check the Persistence parameter of the entries created in Windows Control Panel > Credential Manager > Windows Credentials. 11929 (desktop version) users may be prompted over and over for their password, even though you are sure you have the correct password and even the apppassword / app password hash. Apr 12, 2018 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Apr 3, 2025 · Information Technology Services (ITS) has identified an issue affecting users who have selected the Outlook Mobile app as their Primary sign-in method for Multi-Factor Authentication (MFA). After I submitted the secondary email I got stuck in an infinite loop of these two… Apr 11, 2020 · Both are affected in the same way in that Outlook is constantly asking for a username & password ( not using the modern authentication dialogue box ). Here are several steps to help prevent this issue and ensure Outlook remembers your password permanently. Dec 11, 2017 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for you to enter your password. Up until recently, I had no issues whatsoever using these Exchange accounts… Jan 13, 2022 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… I tried registering the account to my Outlook Desktop app and for some reason I am in a credential prompt loop that always asks for it anytime I input my password. Why did Outlook not accept the credentials, and what is the solution for Outlook prompts for password after migration to Office 365? Solution for Outlook prompts for password after migration to Office 365 Here are a couple of scenarios of how this can happen: Sep 10, 2021 · I am using Office 365 web based (on Chrome) to access my work email. This same app password is used for the credentials on a mobile device native email app. Sep 21, 2020 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Dec 11, 2017 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Jan 4, 2019 · In both cases Outlook shows “Need Password” at the bottom. Provides a resolution. It seems like outlook and teams also have the same issue. May 27, 2025 · When Outlook repeatedly asks for a password, it may not be checking for mail and could be trapped in a password prompt loop. May 26, 2025 · Outlook is a key tool for managing email, calendars, and contacts. I have seen people recommending deleting the AAD Broker, using the SARA tool and re-installing office. Whenever I enabled conditional access MFA, it kept prompting me to enter my password over and over and again. Until then, to prevent other errors, you can backup your credentials. The fix has been to disable modern authentication. Sep 21, 2022 · The microsoft authenticator app is the biggest joke and piece of junk software I have ever used. We are using a hybrid setup for Azure AD and on-prem domain controllers that replicate. Many users have reported that after they enabled MFA, they have been unable to access their Outlook account. Still broken. Sep 15, 2020 — Outlook not prompting for mfa; Cant get outlook to use multi factor authentication in office 2016; Outlook 2016 mfa password loop; Outlook not . Sep 27, 2025 · If you get stuck in a password reset loop on your Microsoft or Outlook account, use the solutions provided in this article to recover your account. Jun 25, 2025 · Microsoft Outlook 2016 and some recent builds of Outlook 2013 are not affected by this issue. They type their passwords in correctly but the prompt just pops back up. Each user gets an App Password to use for any applications that do not support Modern Authentication or any applications that are not enabled for Modern Authentication. The repeated issue logging in started after I enabled the modern authentication in the Office 365 administration panel. I’ve also looked into enabling modern authentication for our O365 tenant, but my concern is that we still have If you use Azure MFA as your multi-factor solution, Microsoft provide a workaround for the password loop problem. I have a user that can't login to their Outlook 2016 because it keeps asking over and over for password, then authentication code. I did not have this Authenticator… Under App passwords, select Create a new app password. Close Word, Launch Outlook you are fixed and user is back up in about 8 minutes. Chrome or Firefox will challenge with mfa if you haven't signed in yet, or run incognito / private. If you have any other questions or are still running into more issues, please let me know. Jul 10, 2025 · The Outlook clients start to prompt for a password when connecting to Exchange Server. With Microsoft 365 pushing stricter security measures—especially multi-factor authentication (MFA) and token-based logins—old Outlook clients can fall into compatibility troubles if Modern Authentication is not enabled in the tenant. Provides a workaround. I don't have problems using Outlook and MFA at work (with an Office 365 Enterprise license) but at home I need to use an app password in Outlook 2016 from my Home Premium subscription. Whether you enable SSO or not, if you enable MFA, we need to use app password to set up Outlook. This article will explore the root causes of this issue and provide step-by-step solutions to fix it. Learn causes, solutions, and tips to restore Multi-Factor Authentication for secure email access. outlook for example will prompt the user that it needs a password. and you can click sign in, as soon as you enter the email address and press enter to get the MFA pop up, it never pops up, and send you back to the previous screen. I would recommend resetting MFA for the user and doing the initial MFA register process again. Oct 1, 2023 · In this guide, we show the 3 solid methods to fix Outlook password pop up screen blank/white or disappears quickly issue with Office 365 Outlook. Through that process they’ll receive an app password that they’ll need to use to sign into the Outlook and Skype clients. Feb 11, 2022 · Hi all, I am trying to use conditional access with the outlook app that came installed with the home edition of Windows. Do you find yourself stuck in a frustrating MFA login loop in Microsoft 365? Here’s a comprehensive guide to overcoming that challenge, detailing why it happens, how to fix it, and how to avoid similar issues in the future. When MFA was enabled they all got locked out of their email (as it should be) but when signing back in, they went through a loop of re-entering their apple mail password, rerouting to GoDaddy (we use godaddy o365), then going back to mail and having it say Mar 23, 2023 · Hi hrapture, I hope I can help you with this question. Apr 12, 2018 · Hi Ziv Ka, It is different if you enable MFA and not enable MFA in SSO environment or pure online environment. I work for an MSP and over the past few months, I've observed a recurring issue with Office 365, specifically with Outlook, causing a login loop. Jun 25, 2025 · Describes an issue that causes Outlook 2016 for Mac to repeatedly prompt the user for authentication. However, if we enable ADAL in tenant level and Outlook client level (by default, Outlook 2016 enable ADAL), it will use browser to authenticate so we do not need to use app password. Sep 21, 2020 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Mar 7, 2025 · Fix Outlook Asking for Password Repeatedly on Windows Outlook’s repeated password prompts are the digital equivalent of that one friend who just can’t remember your name—frustrating and seemingly endless. Note: for Outlook 2013, 15. We’ve got all Office 2016 or 2019 in the environment. If my answer helped you, please click on "Accept Answer" to help others in the community easily find the solution. Starting yesterday, I'm getting reports from multiple users that when they open Outlook, it prompts for their passwords. Windows users who rely on Outlook for work, school, or personal communication know how seamless their routine can be—until the app suddenly refuses to remember their login. The Outlook credential prompt keeps coming back. Jul 17, 2021 · Trying to make Outlook 2016 work on Windows Server 2008 R2 Standard with O365 accounts. Stay posted for more information. The apps would continuously switch between the managed app and Microsoft Authenticator, preventing a successful login. A user with MFA will occasionally get stuck in a loop and will be presented with a blank window when trying to login to any MS app. Jan 2, 2019 · MFA for Outlook 2016 on Windows 7 SP1 Cloud Computing & SaaS microsoft-office-365 , question 3 287 January 17, 2019 Outlook 2016 Authentication loop Cloud Computing & SaaS discussion , microsoft-office-365 4 159 March 1, 2019 Outlook 2016 Prompting for Credentials Windows microsoft-exchange , active-directory-gpo , microsoft-office , question 9 Aug 14, 2019 · We had the issue where Outlook 2016 kept prompting for a password for an Office 365 user whose laptop was connected to their Office 365 account using Windows 10 Pro. How to fix Outlook keeps prompting for password? After enabling Modern Authentication (a Microsoft feature that allows ADAL-based sign-in and multi-factor authentication), users who were previously logged into Microsoft 365 in their Outlook clients -- even clients that support Modern Authentication -- might still experience an issue where the Modern Authentication browser window does not appear. I was accessing my account and admin centers normally, then I was prompted to add a secondary email (authenticator was already in use). I had the same issue as above and tried every method possible to get my outlook/office 365 email reconfigured on my new phone. Outlook sign in prompts appears and disappears (been happening every since turned on Modern Authentication) We enabled Modern Authentication on for a client of ours some time early last year, and periodically since then we get waves of problems where users cannot sign into Outlook. On Windows 10 [b10. 1165], I have two email accounts configured in Outlook 201 Jun 24, 2021 · October 12, 2022 Outlook 2016 password prompt with MFA enabled Cloud Computing & SaaS microsoft-office-365 , question 7 441 February 25, 2019 Issues with MFA After Activation Cloud Computing & SaaS microsoft-office-365 , question 20 400 November 29, 2021 Outlook 2016 + 365 keeps asking for credentials Software microsoft-office , question 160 Aug 30, 2021 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Using latest versions of Outlook. After some research we found that users need to add an app password and use that for MFA but we can not get the Outlook desktop app to prompt for that password. . If you’re a Windows user wrestling with Outlook demanding your credentials over and over again, you’re not alone. Its a continuous loop. The user could use the Windows mail and calendar apps but Outlook wouldn’t connect and kept prompting for a Jun 10, 2019 · User opens outlook (2016 current monthly) and it shows the "need password" screen at the bottom and no email is sent/received, when we click on it we see a white box comes up and goes away, it does not give them the option. Yesterday afternoon, when trying to login, after the user/password screens, a popup asked me to approve my sign in via the MS Authenticator app. Every time Outlook 2016 is open it prompts for just one of the accounts passwords, I enter the password in and it is just a never-ending loop. After starting Outlook successfully connects to the on-premises Exchange server (or Microsoft… Oct 2, 2019 · I’d also check the user ID that’s filled in for the user. How to fix (or workaround) the Modern Authentication (OAuth / OAuth2) pop up box in Outlook 2016 or Outlook 2019 when it doesn't let you type in the username and password or is blank and closes Jul 27, 2023 · Although MFA creates multiple layers of security which helps to increase the assurance that the person trying to gain access is actually who they claim to be, there have been issues concerning the MFA used for Outlook. Mar 4, 2021 · Hi Everyone, We have started enabling MFA for some users and have noticed that Outlook (latest build from O365) is repeatedly prompting for password on some user’s computers. Jun 1, 2018 · Has anyone else experienced Outlook 2016 stuck in an authentication loop when you have multi-factor authentication (MFA) enabled on Office365? The sequence is that Outlook displays the modern authentication screen for yo… Feb 13, 2025 · After deletion, outlook will prompt for password again, enter it correctly and select “Remember my credentials”. I’m sure you’ve tried to re-configure Outlook, look at Azure settings Manage your sign-in activity and security information for Microsoft accounts with My Sign-Ins. WAM also introduces new authentication flows within Windows 10, including the ability to support a Single Sign-on experience across various Microsoft applications when the device is joined or I tried to setup Intune at my work and we are having issue where after a device enrolls into Intune, all office applications loop during the sign in process. Or, you can't create a profile. 0 Jun 25, 2025 · Describes an issue in which you're repeatedly prompted for your credentials in Outlook for Mac version 15. Entering the password will cause the prompt to reappear, creating a loop. Edit: further to this, if outlook gives a 2 line prompt window for username and password, you need to update outlook or change registry key. Dec 11, 2017 · The first step after MFA is enabled for a user, is for the user to log into O365 via the portal. She enters them, it pauses for a moment, then asks again. 0. its May 27, 2022 · Hi! When trying to enable MFA for users we ran into an issue where Outlook would constantly prompt for the user to sign in regardless of whether they checked “remember password”. This issue began to occur after installing a newer version of Exchange Server in the organization or following a configuration change. If you’re experiencing the same issue, I created this guide to help you Mar 29, 2020 · If you have recently enabled MFA multi factor authentication or 2FA on your Office 365 tenant, your Microsoft Outlook for Office 365 MSO 16. Jan 14, 2018 · Update – January 8th 2018: After upgrading from Exchange 2016 CU7 to Exchange 2016 CU8 and restarting the server, the password prompt was occurring again on internal/external domain joined computers. I cancel that menu and I am able to send and receive email on both accounts. The symptom is that the user is prompted for their O365 password in Outlook, which they supply, the dialog box spins its gears, then requests the user's email or password again, ad infinitum. When this is set as the Primary method, it can cause all sign-in methods to break and result in a continuous sign-in loop. If we click the “need password” item, when the popup is closed, it simply re-authenticates and without needing to type the password and we’re good… until Outlook is closed, after opening the issue returns. Those versions have been updated to prevent the problem that is described in the "Symptoms" section. Outlook and PCs are updated. However, one of the most frustrating issues users encounter is Outlook repeatedly asking for a password, even when the correct credentials are provided. 21 when you use a federated account and modern authentication is enabled. Dec 1, 2023 · Are you stuck in a Microsoft 365 MFA Loop and can't gain access to your account? Then follow this step by step guide and gain access in under 5 minutes! Oct 22, 2021 · MFA works with every other aspect of our environment except for outlook desktop app. ob0nzcj 2xled ymcyak hsj0i 55z yrcxzep snlv y56 ozpt2 pczvd