Is Exchange Web Services basic authentication?

We’re removing the ability to use Basic authentication in Exchange Online for Exchange ActiveSync (EAS), POP, IMAP, Remote PowerShell, Exchange Web Services (EWS), Offline Address Book (OAB), Outlook for Windows, and Mac. We’re also disabling SMTP AUTH in all tenants in which it’s not being used.

What authentication does Exchange use?

Exchange provides the following authentication options for you to choose from: OAuth 2.0 (Exchange Online only) NTLM (Exchange on-premises only) Basic (no longer recommended)

Is Exchange Web Services modern authentication?

Moving forward, to continue using EWS to connect and interact with Exchange Online, developers must write their applications to support OAuth 2.0 – also known as Modern Authentication. Modern Authentication is a more stable and secure way to access data in Microsoft 365.

What does EWS do in Exchange?

Exchange Web Services (EWS) is an application program interface (API) that allows programmers to access Microsoft Exchange items such as calendars, contacts and email.

What is meant by authentication Exchange?

Authentication is the act of confirming the identity of a user. Authentication is a key function of Exchange Network Nodes, since most Node services require authentication before they can be used. Authenication to a Node is achieved by calling an “Authenticate” web method on the Node.

What is the difference between basic authentication and modern authentication?

Modern authentication, which is based on ADAL (Active Directory Authentication Library) and OAuth 2.0, offers a more secure method of authentication. To put it in simple terms, basic authentication requires each app, service or add-in to pass credentials – login and password – with each request.

What is meant by authentication exchange?

What is the difference between basic and modern authentication?

What is OAB in Exchange?

An offline address book (OAB) is a copy of an address list collection that’s been downloaded so a Microsoft Outlook user can access the address book while disconnected from the server. Microsoft Exchange generates the new OAB files and then compresses the files and places them on a local share.