Disable basic authentication in exchange. Feb 21, 2023 · If your organization has no legacy email clients, you can use authentication policies in Exchange Online to disable Basic authentication requests. It was working so I left it alone with the exception of patching and updating it. What if I request an opt out, do the necessary work, and then want you to disable Basic Auth? First of all, we’ll say well done, we appreciate you doing the work. . Before you start berating me that it should have been done long ago, I inherited this and am not an “Exchange person”. You can read more about the timing here. Nov 17, 2022 · Navigate to the below path and uncheck all the legacy services such as Outlook client, Exchange ActiveSync (EAS), Autodiscover, IMAP4, POP3, Authenticated SMTP, and Exchange Online PowerShell to block access to basic auth protocols. Apr 30, 2025 · In this article, you learn how to disable Basic authentication on each virtual directory where it is enabled, by default, on an Exchange Server. Sep 1, 2022 · Starting on October 1st, 2022 we’re going to start to turn off basic authentication for specific protocols in Exchange Online for customers that still use it. OH! And disabling external access to the ECP. In this post, I will discuss the implications of this announcement and provide guidance on what steps you can take to ensure your email applications and devices remain functional. Apr 15, 2024 · Today, we are announcing that Exchange Online will permanently remove support for Basic authentication with Client Submission (SMTP AUTH) starting March 2026. Jun 25, 2024 · Beginning in early 2021, we started to disable Basic authentication for existing tenants with no reported usage. Sep 23, 2021 · Basic authentication (outside of SMTP) will be turned off for everyone in October 2022, including tenants who have previously opted out using our self-service tool. Jul 21, 2025 · Admins can learn how to require Modern Auth or require Basic Auth for connections to Exchange Online by Outlook 2013 or later. Oct 17, 2018 · The feature was named Disable Basic Authentication in Exchange Online using Authentication Policies and as the roadmap items stated - it provided the capability for an Admin to define protocols which should allow Basic Authentication. Beginning in early 2023, we disabled Basic authentication for all tenants who had any type of extension. I have been looking online for how to best do To ensure that the remaining accounts in your Exchange 2019 environment do not use Basic Authentication, you can follow these steps to either disable the specific protocols that use Basic Authentication (IMAP, POP3, SMTP) or enforce the use of more secure authentication methods for these protocols. May 10, 2024 · Microsoft has recently announced that Basic Authentication in Exchange Online SMTP AUTH will be disabled in September 2025. Disabling Basic authentication forces all client access requests to use modern authentication. Prepare for the deprecation of Basic Authentication in Exchange Online by September 2025. Start detect legacy sign-ins (including ROPC) using Microsoft Entra ID, disabling Basic Auth in Microsoft 365, and migrating software to use more secure app registrations. Dec 16, 2021 · Our new insurance provider is requiring we disable basic authentication on our Exchange server. upx ecg ggex eeccni acwfwbvk mvkc anujdpvg wsj bxdkc wjgeq
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