Outlook 2016 Not Using Modern Authentication

Outlook 2016 Not Using Modern AuthenticationWhen I log in, the native Windows 10 Mail app is automatically lynced with my Exchange Online profile. Trying to find out whats the beast way to fix it permanently. Office 2016 Modern Authentication not working. Outlook 2013; Outlook 2016, Outlook 2019, and Outlook 365 Did you know that switching-on modern authentication doesn't automatically . I can then use Outlook to access my mailbox. 0 DerekChen-5288 answered • Feb 13 2022 at 10:39 AM Nvm the above. This means that if Outlook 2013 is not configured to use modern authentication, it loses the ability to connect. Outlook 2016 for Mac (recent Office 365 releases only) applications/ protocols they are using to connect using Basic Authentication. Go to "Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16. Been stable since applying those fixes. If you are not prepared, you may end up with a pretty busy day or week fixing the issues. Click User Accounts > Credential Manager. As you continue reading this post you will understand why. Technically login should stop working at all for these 2 programs since they require app passwords if MFA. You may find that Microsoft has disabled it already on your tenant, or they will turn off basic authentication. Disable Modern Authentication not working anymore - Office 2016 Question 406 Views | Last updated October 4, 2021 I've disabled Modern Authentication on my laptop to prevent to log in all Office apps for my outlook. The issue is caused by a requirement for 'Modern Authentication' to be enforced. I was able to look at the issue first-hand, and it appears that when he adds the account in Outlook 2016, i. This particular client was using Symantec VIP for MFA but I have had reports that other MFA solutions also cause the same issue. 2 As you can see there are lots of places where things can go haywire. Notes: Modern authentication is enabled by default in Exchange Online, Skype for Business Online, and SharePoint Online. Microsoft Outlook 2016 for Mac. Outlook needs an in app password to work when MFA is enabled in office 365. First time poster, here. Office 2016 Modern Authentication not working. Outlook for Windows 2016 and later versions is updating to the modern authentication (auth) logon experience. Outlook 2013 and 2016 will use basic authentication before you enable it for your Office 365 tenant. If you are using Outlook on a mobile device, no action is needed. While modern authentication is enabled by default in Outlook 2016, it is advised that you force modern authentication with the registry key below: Skype for Business Modern Authentication Since modern authentication is turned off by default for all Microsoft tenants created before August 1, 2017, you need to turn it on manually. But you should still check whether the relevant keys have been modified via GPO or the cloud config service. In the past ~1-2 months, our travelling users have been running into an authentication loop in Outlook 2016. The registry change didn't fix it. As many multifunction devices like printers and scanners can't use modern authentication, the SMTP protocol is not deprecated if you are using . For MSI-based installations, the Update Options item is not displayed. Server refuses modern authentication when the tenant is not enabled. Instead, Outlook uses the Outlook Anywhere function, and unfortunately, requires the use of Basic Authentication, meaning you must enter in a . I recently had a major issue where a client was seeing constant password prompts when multi-factor authentication (MFA) was enabled for access to Office 365 through AD FS. For more information, see Outlook prompts for password and doesn't use Modern Authentication to connect to Microsoft 365. A true test of this is top open new edge (chromium) and then go to office. Right click on Windows PowerShell on the results and select Run as administrator. Modern authenication is only compliant with Exchange server 2016 CU8 and up. The modern authentication window was just a blank box. For more information, see Outlook prompts for password and doesn't use Modern Authentication to connect to Microsoft 365. Then Modern Auth will start working correctly in all Office 365 apps. Office 2016 Modern Authentication not working. I have installed Office365 package and got Outlook 2016 with it. While Outlook 2016 and 2019 support modern authentication by default and thus do not require any further action to use these new flows, Outlook models that support legacy. Basic Authentication. outlook works ok, but I keep getting the prompt to put in my password and then the multifactor authentication code, then I skip adding it to windows. Make this app visible to other apps by exposing an API: Expose an API > next to Application ID URI click on Set. com, click on Admin tab, click on "show all" or/and click on "Service Request" tab, "New service Request". Outlook 2016 does not allow manual or custom configuration of Exchange accounts. If the client is still prompted for login credentials after the registry update: Ask the client if they are willing to leave the issue broken while Microsoft investigates the issue. For example, Outlook clients can default to . The initial step from the Office app uses OIDC. Click on Services in the top bar. So if you’re experiencing unexpected Outlook authentication prompts in your on-premises environment, and you’re absolutely sure you’ve ruled out all other causes, try updating Outlook to one of the builds that has the bug fix included in it, or try disabling MAPIHttp for a few mailboxes to see if the problem goes away. 0\Common\Identity DWORD:EnableADAL Value: 1 DWORD: Version Value:1 Outlook 2016 (not needed unless your Outlook does not have updates installed):. In the User account control dialog that appears, click Yes to allow the app to make changes to your device. We can do this by setting the. For more information, see Outlook 2010, 2013, 2016 , or Outlook for Microsoft 365 doesn't connect Exchange using MAPI over HTTP as. Note Modern authentication is already enabled in Office 2016 or later. Re: User experiencing strange login issue with Outlook 2016 / modern authentication This just started happening for me. If you've gotten use to using Basic Authentication and switch to Modern Authentication, the chances that Outlook will probably stop working . Internally on the LAN, Outlook 2016 clients have absolutely no issues, and authentication is working fine (no password prompts). If you've disabled Basic authentication, and you're trying to configure an Outlook profile by using POP and SMTP or IMAP and SMTP, you will notice that Outlook neither connects nor authenticates. At Cortana's search box, type powershell. Because enabling modern authentication can only be done tenant-wide and not per user, group, or any such structure, experts recommend that you implement it during a maintenance period or testing. Technically login should stop working at all for these 2 programs since they require app passwords if MFA is enabled but you have not modern authentication enabled. Cause Outlook limits its choices of authentication schemes to schemes that are supported by RPC. In each of these projects, these security . MFA is active via the web and via mobile, but Outlook 2016 will not present the modern authentication screen when initially wiring up the MSA (using autodiscover, maybe manual would be different). Click the username and click disconnect 3. Under " Generic Credentials" you will see items similar to "MicrosoftOffice16_Data:ADAL:adc5ee9c-". Describes an issue in which Outlook cannot connect to a Microsoft 365 mailbox that does not match the account that users use to sign in to . Modern Authentication or OAuth 2. Important Basic authentication is turned off for Exchange Online mailboxes on Microsoft 365. That includes a different login screen while using , a CUHK Login page will be prompted for logon O365 serivces. Outlook 2016 can show empty white window or white window with something like "Can not connect. This means that if Outlook 2013 is not configured to use modern authentication, it loses the ability to connect. The issue is caused by a requirement for ‘Modern Authentication’ to be enforced. (If “ EnableADAL ” is not found in the registry, skip to step 6. However the user had before MFA disabled so outlook tries to use the old credential. Specifically - first make sure that modern for Outlook is turned on for the tenant. You can easily verify that (example for Exchange) -> https://docs. Open your web browser and log in to the Azure Active Directory admin center. For more information, see Outlook prompts for password and doesn't use Modern Authentication to connect to Microsoft 365. The fix was shipped in the following builds: For Monthly Channel Office 365 subscribers, the fix to prevent this issue from occurring is available in builds 16. Outlook prompts for password and doesn't use Modern Authentication Applies to: Outlook 2016, Outlook 2013, Exchange Online, Outlook for . Open File Explorer (formerly known as Windows Explorer), browse to the location of the. Once MFA enabled Outlook 2016 behaviour is to use *Clear rather than *Bearer (Modern Auth) and constantly prompts User for password. In these scenarios, you're prompted for credentials, and Outlook doesn't use Modern Authentication to connect to Microsoft 365. This particular client was using Symantec VIP for MFA but I have had reports that other MFA solutions also cause the same issue. " Verify if there is a DWORD value named " EnableADAL " that is set to 0. Outlook 2013 will need a registry key change to use Modern Auth. Scenario 2: You migrate your mailbox to Microsoft 365 from an Exchange server that Outlook connects to by using RPC. I have an on-prem MFA server and my O365 tenant is enabled for modern authentication (the tenant was enabled during the public preview already). Once you've signed in it will ask you if you want to add it to Windows. To check which Outlook for Windows supports Modern Authentication see How Modern Authentication works for Office 2013 and Office 2016 client apps – Microsoft 365 Enterprise | Microsoft Docs If you have multiple mailboxes in one Outlook profile, and one is an on-premises mailbox and is still using RPC, and the other is in Exchange Online, you. I don't believe that this has actually upgraded Outlook 2016 to Outlook 2019. This morning we had a few users report they were unable to log into Outlook 2016 after updating their passwords. Ans: The Modern Authentication will not affect users who using web browser to access the webmail system. Then Modern Auth will start working correctly in all Office 365 apps. I have tried to add EnableADAL with value 1 DWORD to registry to force modern authentication but it still falls to basic. We have Outlook 2016 and any documentation I've found. This means that if Outlook 2013 is not . You can click 'yes' and it will still continue to function. In the Registry Editor warning dialog that appears, click Yes to accept the changes. Office 365: Configuring Outlook with Modern Authentication on Windows. Any authentication policy that blocks Basic Auth will be ignored. Scenario 2: You migrate your mailbox to Microsoft 365 from an Exchange server that Outlook connects to by using RPC. If you signed into onedrive or teams or anything else office and were challenged for MFA you won't be prompted for mfa in outlook. It may take 30 minutes or longer for the change to be replicated to all servers in Exchange Online so don’t panic if your clients don’t immediately switch, it’s a very big infrastructure. Outlook 2016 (Mac) Regardless of whether or not Modern Authentication is enabled on the tenant, a Modern Auth mail profile will be created. In the past ~1-2 months, our travelling users have been running into an authentication loop in Outlook 2016. Next, click on Azure Active Directory → Sign-in logs. Here’s a summary of the updates: Modern authentication in the Office 2013 Windows client and in the Office 2016 Windows client are complete and at GA. Nothing except that their Outlook/Skype will start to function normally. Hi Rudy, Everything is working flawlessly in all applications (Outlook, Skype, OWA etc) until modern authentication is enabled and then this fault occurs. It's something like an 8mb file. (If “ EnableADAL ” is not found in the registry, skip to step 6. In order to always use Modern Auth first, set the AlwaysUseMSOAuthForAutoDiscover = 1 under the reg key HKEY_CURRENT_USER\Software\Microsoft\Exchange (if this option is not enabled, Outlook may continually prompt for the password to connect );. I recently had a major issue where a client was seeing constant password prompts when multi-factor authentication (MFA) was enabled for access to Office 365 through AD FS. The account can be configured, but it requires the use of an App Password. Open the M365 Admin portal https://admin. MFA is active via the web and via mobile, but Outlook 2016 will not present the modern authentication screen when initially wiring up the MSA (using autodiscover, maybe manual would be different). Create the following registry key in order to force Outlook to use the newer authentication method for web services, such as EWS and Autodiscover. Clients using Outlook 2016 (version has no bearing). Closing and reopening outlook gives the message "A problem occurred during. However, when I launch Outlook 2016 or Skype for Business 2016, I. But I am guessing that in this language pack, someone made a typo in the installer config file, which might break an association somewhere, forcing Outlook to use an internal procedure instead of asking the OS to do it (which fails). However, when I launch Outlook 2016 or Skype. I have installed Office365 package and got Outlook 2016 with it. com; Go to Settings -> Org Settings -> Modern authentication. After you enter your credentials, they're transmitted to Microsoft 365 instead of to a token. com%2fen-us%2fmicrosoft-365%2fenterprise%2fmodern-auth-for-office-2013-and-2016%3fview%3do365-worldwide/RK=2/RS=df0YT4S22mtuuDF3eDXksIUviKU-" referrerpolicy="origin" target="_blank">See full list on learn. It may take 30 minutes or longer for the change to be replicated to all. The modern authentication window was just a blank box. Hi Rudy, Everything is working flawlessly in all applications (Outlook, Skype, OWA etc) until modern authentication is enabled and then this fault occurs. Outlook 2016 for Mac and Outlook 2013 and 2010 for Windows. Outlook 365 (web version and downloaded version); Outlook 2016 (PC and if the client application you are using is no longer supported. In these scenarios, you're prompted for credentials, and Outlook doesn't use Modern Authentication to connect to Microsoft 365. However, when configuring external users, while you can eventually get it configured, the user is. And make sure Modern auth is enabled service-side, some older tenants might still have it disabled. disabled modern authentication in o365 tenant, from powershell: set organizationconfig …. Close outlook open manage credentials choose windows credentials remove all the old credentials cached in lock the computer and login with the network password open outlook and it starts working fine. Microsoft Office 2016 or newer on a personal Windows or Mac computer. Once created a Microsoft 365 support Representative should reach you within. For Outlook 2013 Click-to-Run installations an Update Options item is displayed. Modern authentication is attempted first. This morning we had a few users report they were unable to log into Outlook 2016 after updating their passwords. Outlook 2016 always prompts to basic authentication even when modern authentication is forced on Office365. Outlook must be configured to force authentication when connecting to an Exchange server. Modern auth needs to be enabled server-side first, and while this should now be true for all tenants, I'd suggest you verify just in case. Turn Focused Inbox off and wait until all users who are using Focused Inbox get the "off" signal. However, when configuring external users, while you can eventually get it configured, the user is constantly prompted for credentials on every Outlook start. However, access to the Outlook mailbox · The old prompt is likely coming from Outlook's. Microsoft recently announced the Exchange Online capability to use OAuth authentication for POP and IMAP and SMTP protocols. Showed up the same in safe mode and when trying to create a new profile. They don't use modern authentication. Enable Modern Authentication & allow basic authentication for "Exchange web services", "Autodiscover", "MAPI over HTTP" and "Offline Address Book". Modern auth + MFA works well when logging in to an Office account from any Office app (including Outlook). Microsoft recommends to force enable the Modern Authentication in Outlook 2019/2016 and O365. Then check the client registry keys, specifically make sure that EnableADAL is not set to 0. you know I thought I was going crazy cause our tenant had modern turned on and I tried the first reg key and it didn't work but I never saw the other 2 keys which. Outlook will begin downloading your mailbox, and you can begin using Outlook. For more information, see Basic authentication in exchange online. All versions of Outlook for Windows since 2016 have Modern authentication . Office 2016 : Yes, EnableADAL = 1 : Yes : Modern authentication is attempted first. This morning on my account, which is Azure AD Connect synched up to Office365 with 2FA enabled, on my "new" laptop running Office 365 ProPlus 2016 Version 1803 click to run on the semi annual channel, outlook refuses to. Open File Explorer (formerly known as Windows Explorer), browse to the location of the. Don't know what the actual cause is yet, but the above fixes it. Create the following registry key in order to force Outlook to use the newer authentication method for web services, such as EWS and Autodiscover. Outlook 2016 (not needed unless your Outlook does not have How modern authentication works for Office 2013 and Office 2016 client apps . Choose File | Account Settings | Account Settings. The client can use the online versions of the Microsoft 365 applications while Microsoft is investigating the issue. A restart of Outlook is required to switch from Basic to Modern Auth and vice versa if roll back is required. SMTP Auth will also be disabled if it is not being used. The initial step from the Office app uses OIDC. Be aware of other apps that authenticate with Exchange Online using Modern Authentication like Skype for Business. ” Verify if there is a DWORD value named “ EnableADAL ” that is set to 0. Scenario 1: Microsoft Outlook connects to your primary mailbox in an on-premises Exchange server by using RPC, and it also connects to another mailbox that's located in Microsoft 365. My problem is that outlook only tries to do basic authentication even though it should be doing modern authentication. After 30 minutes on the phone with MS support the best they could offer was a registry tweak to disable. It can only be enabled tenant-wide. (If " EnableADAL " is not found in the registry, skip to step 6. Outlook 2016 or newer has the registry key already set, but it could be disabled, so if those versions are still using Basic after the change, check that out. This is because Outlook supports Modern authentication only for Exchange profiles (MAPI/HTTP and EWS), Outlook. When it's working, the user will get a login prompt with a long character string, replace string with the username and authenticate. If you are using Outlook 2016 or newer on desktop, or the Outlook app on app on Android devices does not support Modern Authentication. Workaround #1: Turn Modern Authentication back on. If you cannot upgrade Office, we recommend using Outlook on the Web. Modern Authentication is enabled by default. Then check the client registry keys, specifically make sure that EnableADAL is not set to 0. In each case we ran into the same two symptoms:. Specifically - first make sure that modern for Outlook is turned on for the tenant. Explained here: Outlook prompts for password when Modern Authentication is enabled - Outlook | Microsoft Docs; Once Modern Authentication is turned on in Exchange. com/_ylt=AwrijnRG1GFj_poImFBXNyoA;_ylu=Y29sbwNiZjEEcG9zAzQEdnRpZAMEc2VjA3Ny/RV=2/RE=1667384519/RO=10/RU=https%3a%2f%2flearn. Outlook provides a GPO to let administrators deploy a specific Autodiscover XML file to be used for configuration. You may find that Microsoft has disabled it already on your tenant, or they will turn off basic authentication. Also, client side it can be disabled via GPO/reg keys, so cover that as well. The modern authentication is only supported in Outlook 2013 or 2016, and it is not supported in Outlook 2010. Convert sponsored accounts that are used to share . 0 Likes Reply Previous 1 2 Next Skip to footer content. Then, go into O365 Admin - Settings - Modern Authentication. Now all of a sudden, it's not working anymore and I have to log-in to all Office apps using my outlook. Modern Authentication support?. ADFS then translates the WS-Trust call into a SAML protocol call to Shibboleth and the whole process unwinds as the security. Outlook must be configured to force authentication when connecting to an Exchange server. Until the deprecation of basic authentication scheduled for the end of 2022, Microsoft will provide two types of. Re: User experiencing strange login issue with Outlook 2016 / modern authentication This just started happening for me. Expand Settings and click on Org settings. And Microsoft will begin rolling this feature . It is recommended that users force Outlook to use Modern Authentication by setting the DWORD value of the following registry key to 1: HKEY_CURRENT_USER\Software\Microsoft\Exchange\AlwaysUseMSOAuthForAutoDiscover For more information, see Outlook prompts for password and doesn't use Modern Authentication to connect to Microsoft 365. Click Start>Settings>Accounts>Access work or school 2. If you head over to the admin center for Microsoft 365 and you click on Settings and then Org Settings and scroll down the list till you see Modern Authentication, you will see the message on the right-hand side if you have security defaults enabled:. Office (and thus Outlook) on Windows Phone or Windows 10 Mobile does not yet . This morning on my account, which is Azure AD Connect synched up to Office365 with 2FA enabled, on my "new" laptop running Office 365 ProPlus 2016 Version 1803 click to run on the semi annual channel, outlook refuses to connect to office365. I have a Windows 7 machine, completely updated that I am trying to set up for a user, but no matter what, I cant get Outlook to use modern authentication when adding her account, therefore, I cant add her account in Outlook. Important Basic authentication is turned off for Exchange Online mailboxes on Microsoft 365. Create the following registry key in order to force Outlook to use the newer authentication method for web services, such as EWS and Autodiscover. A true test of this is top open new edge (chromium) and. Modern authentication protocols like Exchange ActiveSync, EWS and MAPI can also be used with basic authentication. Start Outlook. Enable Modern Authentication & allow basic authentication for "Exchange web services", "Autodiscover", "MAPI. For more information, see Outlook prompts for password and doesn't use Modern Authentication to connect to Microsoft 365. Open Outlook and attempt to log in again. However, at some later time (usually < 24 hours, but I've been unable to determine time exactly), the user will be prompted to re-authenticate again. It may take 30 minutes or longer for the change to be replicated to all servers in Exchange Online so don’t panic if your clients don’t immediately switch, it’s. Go to Office365 r/Office365 • Posted by Kamsiinov Outlook 2016 always prompts to basic authentication even when modern authentication is forced on Office365 I have installed Office365 package and got Outlook 2016 with it. Microsoft is phasing out Basic Authentication because it does not or you can switch to using Outlook for Mac or Outlook on the Web . When starting Outlook for the first time, the user sees the initial configuration wizard, but can click Next through the wizard without entering . Overview Details Fix Text (F-77565r1_fix) Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Account Settings -> Exchange "Authentication with Exchange Server" to "Enabled (Kerberos Password. To begin using modern authentication, users can remove their account on their iOS or Android device and begin using the Outlook application. Outlook does not come with the idea to ask the user to re-enter the app password credential. Scenario 1: Microsoft Outlook connects to your primary mailbox in an on-premises Exchange server by using RPC, and it also connects to another mailbox that's located in Microsoft 365. I've tried ALL the supposed reg fixes, removed all credentials in Cred Manager, disconnected all Accounts in Windows. Outlook 2016 can show empty white window or white window with something like "Can not connect. You can refer to the article below for more details. To disable Office 2016 from using modern authentication the user will need a registry key added. Have the user authenticate 5. Internally on the LAN, Outlook 2016 clients have absolutely no issues, and authentication is working fine (no Running Outlook 2016 and forced to use auto-discover. In each of these projects, these security policies were enforced prior to moving any mailboxes to Exchange Online. For more information, see Outlook 2010, 2013, 2016, or Outlook for Microsoft 365 doesn't connect Exchange using . If it is still working and they receive just prompts, perhaps it's due to cached credentials. Enable the option Turn on modern authentication for. Deselect the "Always prompt for logon credentials" check box. If you signed into onedrive or teams or anything else office and were challenged for MFA you won't be prompted for mfa in outlook. reg file you just saved, and then double-click it. Administrative Templates -> Microsoft Outlook 2016 -> Account Settings -> Exchange "Authentication with Exchange Server" to "Enabled (Kerberos Password Authentication)". Create the following registry key in order to force Outlook to use the newer authentication method for web services, such as EWS and Autodiscover. Repeat Step 5 for all "ADAL" credentials. So, it looks like the version of Outlook that I have won't play nice with Modern Authentication. 0 Likes Reply OneTechBeyond replied to Vasil Michev Mar 23 2020 08:50 AM Modern authentication is definitely enabled on the backend. I have set up Azure Active Directory Premium, domain joined my PC, and ensured Multi-Factor Authentication is enabled. com/en-us/Exchange/clients-and-mobile-in-exchange-online/enable-or-disable-mo. com email account using this regedit key: HKCU\SOFTWARE\Microsoft\Office\16. 13k subscribers how to fix (or . For more information, see Outlook 2010, 2013, 2016 , or Outlook for Microsoft 365 doesn't connect Exchange using MAPI over HTTP as. Scenario 1: Microsoft Outlook connects to your primary mailbox in an on-premises Exchange server by using RPC, and it also connects to another mailbox that's located in Microsoft 365. The modern authentication is only supported in Outlook 2013 or 2016, and it is not supported in Outlook 2010. Once you are familiar with using Graph, these links will help with specific email setup. ) Update the DWORD value for " EnableADAL " to 1. Outlook 2013 and 2016 will use basic authentication before you enable it for your Office 365 tenant. AAD then calls ADFS using WS-Trust. Open Outlook and sign-in. Microsoft recommends to force enable the Modern Authentication in Outlook 2019/2016 and O365. Has anyone encountered this issue before where Outlook 2016 does not prompt for MFA when using modern authentication? Spice (5) Reply (16). Go to Office. Which mail clients are capable of modern authentication in Office 365? · Outlook on the web · Outlook for Windows (2016 or newer) · Outlook for Mac . I have set up Azure Active Directory Premium, domain joined my PC, and ensured Multi-Factor Authentication is enabled and enforced for my user account. Any clients which have exhibited this behaviour the only fix has been to implement the following registry key and disable modern authentication. At PowerShell give the corresponding command, according you case: Case A. To do this, use one of the following procedures, as appropriate for your version of Windows:. No, it's a tenant wide setting. The modern authentication is only supported in Outlook 2013 or 2016, and it is not supported in Outlook 2010. This change will primarily impact email (Outlook) access in Office 365 using apps that do not use Modern Authentication. Then Modern Auth will start working correctly in all Office 365 apps. I have a Windows 7 machine, completely updated that I am trying to set up for a user, but no matter what, I cant get Outlook to use modern authentication when adding her account, therefore, I cant add her account in Outlook. Basic authentication allows users to connect to a mailbox using only a username and a password and is not as secure as modern authentication. Fix was a combination of applying the two keys ( DisableAADWAM and DisableADALatopWAMOverride) and disabling using the ODCF container for Outlook licensing and personalization. The Click-to-run Update Options button will tell you 'Updates are automatically downloaded and installed', and your current version. Click on an item that has "ADAL" in the name. 0 is the new, secure way to connect your Microsoft Outlook email account to third party applications. To do this, use one of the following procedures, as appropriate for your version of Windows:. A restart of Outlook is required to switch from Basic to Modern Auth and vice versa if roll back is required. If the server refuses a modern authentication connection, then basic authentication is used. It is possible for me to add the O365 account to Outlook 2016, and successfully authenticate, send\receive mail etc. I've disabled Modern Authentication on my laptop to prevent to log in all Office apps for my outlook. Create the following registry key in order to force Outlook to use the newer authentication method for web services, such as EWS and Autodiscover. The issue is caused by a requirement. This means that an Outlook client configured for RPC over HTTP will initially try to connect to Office 365 using legacy auth, which will fail as the conditional access policy is blocking it. Microsoft is also disabling SMTP AUTH in all tenants in which it is not being used. Click the More Settings button. The use of basic authentication is being deprecated for Exchange Online mailboxes on Microsoft 365. Step 2: Check for Local Data preference. Any clients not using modern authentication will be denied access to all Office 365 resources. Go to “Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16. Open Outlook and sign-in. Any clients not using modern authentication will be denied access to all Office 365 resources. Modern Authentication support? Yes; Requires EnableADAL reg key? No. To do this, use one of the following procedures, as appropriate for your version of Windows:. So the Outlook 2010 will use only basic authentication. They will suddenly be asked to enter their password in Outlook (the larger, white, browser-based modern authentication window, not the small Outlook client username/password authentication window). to inform them that legacy protocols will be disabled for them due to not being used. SMTP AUTH supports Modern authentication (Modern Auth). I've disabled Modern Authentication on my laptop to prevent to log in all Office apps for my outlook. com/en-us/outlook/troubleshoot/authentication/outlook-prompt-password-modern-authentication-enabled" h="ID=SERP,5840. Try again later" The cause of this later problem was modern authentication, that Rhoderick Milne advised me to emable. Created on July 13, 2016 Office 2016 Modern Authentication not working Hi all, I have set up Azure Active Directory Premium, domain joined my PC, and ensured Multi-Factor Authentication is enabled and enforced for my user account. A restart of Outlook is required to switch from Basic to Modern Auth and vice versa if roll back is required. To check which Outlook for Windows supports Modern Authentication see How Modern Authentication works for Office 2013 and Office 2016 client apps - Microsoft 365 Enterpri… If you have multiple mailboxes in one Outlook profile, and one is an on-premises mailbox and is still using RPC, and the other is in Exchange Online, you might see an issue. After Modern Authentication is disabled, users may intermittently get prompted for their credentials in Outlook 2016 and have to repeatedly enter their username and password. If you have moden authentication enabled with MFA then you will not need the apps password to configure our outlook If you have basic . Modern Authentication vs. The account can be configured, but it requires the use of an App Password. Internally on the LAN, Outlook 2016 clients have absolutely no issues, and authentication is working fine (no Running Outlook 2016 and forced to use auto-discover. Fix was a combination of applying the two keys ( DisableAADWAM and DisableADALatopWAMOverride) and disabling using the ODCF container for Outlook licensing and personalization. Internally on the LAN, Outlook 2016 clients have absolutely no issues, and authentication is working fine (no password prompts). Change to a different messaging application that supports modern authentication methods - we recommend using Outlook. Close outlook open manage credentials choose windows credentials remove all the old credentials cached in lock the computer and login with the network password open outlook and it starts working fine. So the Outlook 2010 will use only basic authentication. Then, go into O365 Admin - Settings - Modern Authentication. Using the Microsoft 365 admin center In the Microsoft 365 admin center, go to Settings > Org Settings > Modern Authentication. Once it's complete then try and open Outlook again and you should now get the authentication window and it will stay open. Go to “Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16. Modern Authentication is enable by default in Outlook 2016. odp21t, ocrp, p7r1ju, bw6mc, t2l6p, 9a571, wi1jxm, x9ijw0, z7xcgc, v6og, dxxlt0, 40s4et, cofe, 8qcwu, 83p0, tx2c, hu2mm6, alpz, 6pix2, psfka