A new Copilot Search usage report will be available in the Microsoft 365 admin center by early September 2025, showing user activity and search metrics. It is enabled by default, requires no setup, and helps organizations monitor Copilot Search adoption and usage trends.
The rollout of line key configuration in Teams Admin Center for Teams phones is paused worldwide to address feedback and improve shared device license support. Admins should configure line keys directly on devices temporarily. Audit logging and reporting via TAC may be affected until the experience resumes.
Microsoft Defender Core service will be introduced for Windows Server 2012 R2 and 2016 to improve Defender Antivirus stability and performance. Public preview starts August 28, 2025; general availability by early October 2025. It installs by default with platform update 4.18.25060.7-0 and requires specific URL allowances and process whitelisting.
The Microsoft Intune In Development page for September 2025 has been updated with upcoming features. Organizations should review the changes to prepare IT staff and update user guidance accordingly, as these features will appear in the next month or later releases.
We are announcing the ability for admins to enforce the use of end-user credentials by managing how authentication is handled. This feature will be generally available starting September 19, 2025.
Adminless settings able to be configured in settings catalog and account protection template.
Gain granular control over external communication. By setting custom External Access policies, you can define domain allow/deny lists and assign them to specific users or groups – capabilities that were previously tenant-wide only (“Teams and Skype for Business users in external organizations”). Use this to pilot with a department, restrict high‑risk roles to approved partners, or open federation broadly where appropriate. Example: Allow Group A to communicate only with a specific domain, while Group B can communicate with all external domains.
Microsoft Teams now allows users to report messages they believe were incorrectly flagged as security concerns. This feature is available in one-on-one chats, group and meeting chats, as well as public and private channels.
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