A first look at Modern Authentication for Outlook. Microsoft is changing the way Outlook users connect to Exchange Servers, moving away from traditional methods. By submitting your personal information, you agree that Tech. Target and its partners may contact you regarding relevant content, products and special offers. You also agree that your personal information may be transferred and processed in the United States, and that you have read and agree to the Terms of Use and the Privacy Policy. Windows authentication or storing a plain text username and password, and moving toward the cloud. Modern Authentication is a new feature that can benefit organizations that require true single sign on within the Outlook client or real multifactor authentication. It integrates browser based authentication into Outlook and other Office clients and allows the client to use Open Authorization based authentication to Office 3. Subscribe to this page. Annual Reports. Reports are available as linked PDF files. If you encounter difficulty opening PDF files via your Internet browser, right. Using browser based authentication within the client has a number of immediate benefits. Since Office 3. 65 first became available, it hasnt been possible to avoid end users needing to enter their passwords when configuring Outlook with Exchange Online. Admittedly, this is a minor inconvenience as the password can be stored on the client. Never having to prompt end users for credentials will ease an email migration to Office 3. Using Modern Authentication with MFABy definition, MFA expects end users to provide more than one form of verification to prove who they are this typically includes something they know and something they have. This will often be the password and either a phone, token or certificate. Office 3. 65 didnt let Outlook clients use true MFA app passwords long passwords generated after end users log in with MFA were used instead. App passwords can be reused in a number of clients, so if end users wrote down the app password, someone else in a rich client such as Outlook or Active. Sync could use it. Modern Authentication finally allows the client to use proper MFA. The experience is similar logging into Outlook Web App via a browser. For example, after an end user signs in, a second page informs the user to confirm login via the mobile app. SRA HANDBOOK GLOSSARY 2012 Part 1 Introduction and Preamble Introduction. This section of the Handbook contains the SRA Handbook Glossary. The SRA Handbook Glossary. The Occupational Outlook Handbook is the governments premier source of career guidance featuring hundreds of occupationssuch as carpenters, teachers, and. NEW Substation Automation Handbook some 400 pages This Book arrived on time after the August 14 power blackout To secure and improve electric power networks. BibMe Free Bibliography Citation Maker MLA, APA, Chicago, Harvard. I/41ZZKGBJQPL.jpg' alt='Outlook Handbook 2000 01 Los Angeles' title='Outlook Handbook 2000 01 Los Angeles' />How does Modern Authentication work Modern Authentication uses the Active Directory Authentication Library ADAL within Office to authenticate and store access credentials. The Open Authentication OAuth protocol is core to ADAL this is the same mechanism Facebook, Twitter and Google use for cross site access without sharing passwords. There are two pieces of information used a refresh token and an access token. The access token is short lived and is only valid for approximately one hour the refresh token has a longer life at 1. P/0789719096.01.LZZZZZZZ.jpg' alt='Outlook Handbook 2000 01' title='Outlook Handbook 2000 01' />The refresh token will request access tokens, and the access token is presented to Office 3. The client can either use the Office 3. Azure AD login pages, if you use Dir. Sync Password Sync or pure Cloud IDs, or AD FS. Both allow the use of MFA, but only AD FS allows true single sign on with the logged on users credentials. Its possible to provide two different experiences in an AD FS environment. Internal, domain joined end users benefit from AD single sign on external users prompted for MFA use the same configuration used to secure browser based access to Office 3. Figure 1 gives a good example of the login flow. Enabling and disabling Modern Authentication. Admins must manually enable Modern Authentication. Hard Truck Across America. To do so, ensure you have the following software prerequisites Office 2. Bnupdate.Exe Warcraft 3 Frozen Throne there. November 2. 01. 4, which is automatically included with the latest Click To Run installer and Office 2. Preview and. MS1. Internet Explorer. Make the following registry changes and restart the Outlook Client Path. Key. Type. Value. HKCUSOFTWAREMicrosoftOffice1. CommonIdentity. Enable. ADALDWORD1. HKCUSOFTWAREMicrosoftOffice1. CommonIdentity. Version. DWORD1. HKCUSOFTWAREMicrosoftOffice1. CommonDebug. TCOTrace. DWORD3. HKCUSOFTWAREMicrosoftExchange. MSOAuth. Disabled. DWORD0. If youre using the Office 2. When launching Outlook from a domain joined machine that uses AD FS for authentication to Office 3. Office 3. 65 without further credential prompts. From a non domain joined computer, a login should be presented once for Outlook and a second time for other Office apps Figure 2. There are some limitations to using Modern Authentication at this time. Office 3. 65 tenants enabled for Modern Authentication cant mix with tenants that arent enabled for Modern Authentication within a single Outlook profile. If you arent sure if both tenants are enabled, simply run the client feature and launch Outlook. Features such as Rights Management Services arent available using Modern Authentication the Office blog covers these limitations in more detail. If you want to switch back to standard Office 3. The key changes to disable Modern Authentication are as follows Path. Key. Type. Value. HKCUSOFTWAREMicrosoftOffice1. CommonIdentity. Enable. ADALDWORD0. HKCUSOFTWAREMicrosoftOffice1. CommonIdentity. Version. DWORD1. HKCUSOFTWAREMicrosoftExchange. MSOAuth. Disabled. DWORD1. Again, if you use the Office 2. About the author Steve Goodman is an Exchange MVP and works as a technical architect for one of the U. K. s leading Microsoft Gold partners. Goodman has worked extensively with Microsoft Exchange since version 5. Office 3. 65 since its origins in Exchange Labs and LiveEDU.