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- Two Factor Authentication Office 365 Outlook 2016
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Oct 16, 2017 I reached a point where I am down to 2 users left with this issue and our help desk has been pushing out Outlook 2016 which has Modern Auth on by default. The issue that caused this was Outlook2013 stuck on legacy AUTH and not using Modern Auth.
Two Factor Authentication (2FA) is a second layer of security that protects your accounts, even if someone obtains your password. With one click, you can use a device you have with you, like your smartphone, to ensure that it’s really you accessing your accounts. View a video of how easy it is to use 2FA to log in to Workspace. Aug 29, 2019 The problem “Microsoft Outlook 2016 for Mac keeps asking for password” has been around for since March of 2016. Microsoft should have addressed this issue a long time ago with a patch. At least, they should have told users how to fix the problem manually. Clients Primary Protocol Notes; Outlook 2013 and Outlook 2016: MAPI over HTTP: MAPI over HTTP must be enabled within Exchange in order to leverage modern authentication with these clients (usually enabled or True for new installs of Exchange 2013 Service Pack 1 and above); for more information see How modern authentication works for Office 2013 and Office 2016 client apps.
During Summer 2020, OIT will disable basic authentication to Office 365. Access to Office 365 will require modern authentication which is capable of two-factor authentication.
What does this mean to you?
![Office Office](https://i.ytimg.com/vi/ill5_XwzfvU/maxresdefault.jpg)
If you answer yes, to any of these questions, you’ll be affected by this change:
- Are you using Thunderbird or Outlook 2013/2010/2007 to read your email?
- Are you using any other IMAP or POP client to check email?
- Did you set up mail on your phone several years ago?
- Are you forwarding your email to your personal address and replying to or sending emails using the Office 365 SMTP servers?
OIT will disable basic authentication including IMAP, POP, ActiveSync, and several other “basic” authentication protocols to better secure access to email. To learn more about the “why”, check out that section below.
What clients support two-factor authentication and modern auth?
These email clients support two-factor authentication with Office 365.
- Windows: Outlook 2019/2016, Mail app on Windows 10
- Mac: Outlook 2019/2016 for Mac
- Web: Outlook on the Web: office365.utk.edu
- Linux: Evolution with Evolution-ews version v3.27.91 or later
- Mobile Device: Outlook App for iOS and Android
Why is OIT making this change?
OIT is making this change to make email more secure. Basic authentication doesn’t require two-factor authentication which leaves the user and the university vulnerable. Because of that, it gives hackers an easy way to exploit an account once they have your password. Remember, two-factor authentication doesn’t prevent your password from being compromised; it only requires another piece of information for authentication to better secure access to resources.
Who is affected and when will this change take effect?
Basic authentication will be disabled for all Knox-area faculty, staff, and students using Office 365 email accounts. For any NetID that is compromised, basic authentication will be immediately disabled.
Office 365 Login Email Account
Technical Details
Dual Authentication Office 365
The following applications and services will be impacted when basic authentication is disabled by Office 365.
Two Factor Authentication Office 365 Outlook 2016
Application/Service | Common Use |
Exchange Active Sync (EAS) | Used by some email clients on mobile devices. |
Autodiscover | Used by Outlook and EAS clients to find and connect to mailboxes in Exchange Online |
IMAP4 | Used by IMAP email clients. |
MAPI over HTTP (MAPI/HTTP) | Used by Office 2013 and later. |
Offline Address Book (OAB) | Microsoft frontpage for mac free download free. A copy of address list collections that are downloaded and used by Outlook. |
Outlook Service | Used by the Mail and Calendar app for Windows 10. |
POP3 | Used by POP email clients. |
Reporting Web Services | Used to retrieve report data in Exchange Online. |
Outlook Anywhere (RPC over HTTP) | Used by Office 2016 and earlier. |
Authenticated SMTP | Used by POP and IMAP clients to send email messages. |
Exchange Web Services (EWS) | A programming interface that's used by Outlook, Outlook for Mac, and third-party apps. |