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(Updated) Azure ACS retirement in Microsoft 365 [MC693863]

Message ID: MC693863 (Updated) Updated October 3, 2025: This update serves as a reminder that Azure ACS in Microsoft 365 will retire and stop working in 6 months from now (April 2, 2026).Since the first use of Azure Access Control…

Modern Workspace Pro 3 October 2025Admin impact, Plan for change, Retirement, Updated message, User impactNo Comments

SharePoint Online

(Updated) Azure ACS retirement in Microsoft 365 [MC693863]

Message ID: MC693863 (Updated) Updated June 2, 2025: This update serves as a reminder that Azure ACS in Microsoft 365 will retire and stop working in 10 months from now (April 2, 2026).Since the first use of Azure Access Control…

Modern Workspace Pro 3 June 2025Admin impact, Plan for change, Retirement, Updated message, User impact

SharePoint Online OneDrive for Business

Specifying client ID and secret when creating an Azure ACS principal via AppRegNew.aspx will be removed [MC898388]

When using the AppRegNew.aspx page to create Azure ACS (Access Control Service) principals today, you can generate a new client ID (default flow) and secret, but you can also specify the client ID or secret yourselves. Going forward, the option to specify the client ID and secret yourself will be removed.

Modern Workspace Pro 26 September 2024Admin impact, Plan for change, Retirement1

Snow Rider 3D on Amazon Cognito now supports resource indicators to simplify enhancing protection of OAuth 2.0 resources28 October 2025
Wow, this change in Cognito sounds like a game-changer for security! It's kinda wild how little things like specifying resource…
URL on Update to inline image representation in Outlook on the web and new Outlook for Windows [MC1174855]24 October 2025
... [Trackback] [...] Read More here: mwpro.co.uk/blog/2025/10/18/update-to-inline-image-representation-in-outlook-on-the-web-and-new-outlook-for-windows-mc1174855/ [...]
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Mike on Upcoming Secure by Default Settings Changes for Exchange and Teams APIs [MC1163922]2 October 2025
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