Deprecation of Basic Authentication in Exchange Online – Argus Impact (Doc ID 2858229.1)

Last updated on JULY 13, 2023

Applies to:

Purpose

 This article is to explain the deprecation of Basic authentication by Microsoft in Exchange online and its impact on Argus.

Scope

Announcements from Microsoft:

On 23rd September 2021, Microsoft announced below:

Today, we are announcing that effective October 1, 2022, we will begin to permanently disable Basic Auth in all tenants, regardless of usage, with the exception of SMTP Auth.

Reference:

https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210

On 19th March 2022, Microsoft announced below

Impact on messaging protocols and existing applications:

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.
SMTP AUTH will still be available when Basic authentication is permanently disabled on October 1, 2022. The reason SMTP will still be available is that many multi-function devices such as printers and scanners can't be updated to use modern authentication

Reference:
https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/deprecation-of-basic-authentication-exchange-online

Details

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