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Week in brief

KB40345593 fixes 2603 token failures; account-driven Apple enrollment now specifies modern authentication

For the week of 9 November 2026, the standout operational item is KB40345593 for Configuration Manager 2603. It fixes bulk registration token verification failures for non-Microsoft Entra-joined devices connecting through a CMG after KB39169655. Intune’s revised automated-authentication guidance directs affected account-driven Apple User Enrollment scenarios to Option 2, Setup Assistant with modern authentication, and says the other method blocks enrollment for targeted users. Most remaining changes are documentation clarifications covering Windows Autopilot enrollment procedures, macOS shell-script execution, and Configuration Manager update sequencing rather than a broad feature rollout.

  • The fix applies to Configuration Manager version 2603 sites after KB39169655, covering non-Microsoft Entra-joined devices connecting through a CMG. Install it from Updates and Servicing; a site reset is required, existing secondary sites must be updated manually, and no computer restart is required.

  • The automated-authentication guidance explicitly directs administrators to Option 2: Setup Assistant with modern authentication for successful automated enrollments involving account-driven Apple User Enrollment. It says the other authentication method blocks enrollment for targeted users.

  • The revised guidance emphasizes a direct Internet requirement, run frequency, retries, and user context, while revising or removing some scope-tag, assignment, and retry-setting instructions. Administrators should check scripts against the updated execution guidance.

  • The setup instructions now separate Windows selection from the Windows Autopilot > Enrollment Status Page navigation, and the previous automatic-enrollment step is no longer included. Administrators consulting the article should follow the revised sequence.

  • The article now explains starting updates at the top-level site, manually updating secondary sites, monitoring status, and staggering distribution point updates according to content-distribution settings. It also highlights that distribution points can go offline in batches.

For Intune administrators

For Configuration Manager 2603 sites with KB39169655, install KB40345593 from Updates and Servicing, plan for the required site reset, and manually update existing secondary sites; no computer restart is required. For affected account-driven Apple User Enrollment automated enrollments, use Option 2: Setup Assistant with modern authentication. Review the revised macOS shell-script execution guidance and Autopilot Enrollment Status Page navigation when using those procedures. Configuration Manager servicing plans should also account for manual secondary-site updates and distribution points going offline in batches.

This period briefing was generated by AI from the tracked Microsoft Learn and Message Center changes.

Updates this week

4

Ref Automated Authentication Methods

Doc updateAction required

The article now explicitly directs administrators to use Option 2: Setup Assistant with modern authentication for successful automated enrollments involving account-driven Apple User Enrollment. It also clarifies Company Portal, MFA, and phishing-resistant MFA guidance.

9 November 2026
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12

Windows Autopilot for Existing Devices | Microsoft Learn

Doc update

The page received wording, capitalization, metadata, and structure updates. Enrollment Status Page setup now separates Windows selection from the Windows Autopilot > Enrollment Status Page navigation, and the previous automatic-enrollment step is no longer included.

9 November 2026

Windows Autopilot registration overview | Microsoft Learn

Doc update

The overview now emphasizes registration requirements before deployment, clarifies hardware hash capture and upload, updates terminology, and revises descriptions of vendor registration, Microsoft Entra objects, profiles, and registration terms.

9 November 2026

Autopilot Scenarios

Doc update

The page description, scenario table formatting, punctuation, and terminology were updated for clearer presentation, including replacing “utilizes” with “uses.”

9 November 2026

Autopilot Motherboard Replacement

Doc update

The article updates wording and navigation instructions for deleting devices from Intune and deregistering them from Windows Autopilot. The previous note about using Sync to accelerate deregistration was removed.

9 November 2026

Entra Join Device Group

Doc update

The tutorial updates wording, formatting, navigation steps, and examples. It also clarifies the recommendation to use separate assigned groups for different device preparation policies and refines service principal and PowerShell instructions.

9 November 2026

Automatic Device Group

Doc update

The tutorial updates wording, punctuation, formatting, and descriptions for navigating Groups, selecting the service principal, authenticating with Microsoft Graph, and responding to permission prompts.

9 November 2026

Automatic Registration of Existing Devices | Microsoft Learn

Doc update

The article’s title and description were updated, and wording was clarified around device requirements, hardware-hash requests, the Convert all targeted devices to Autopilot setting, and the Windows Autopilot for existing devices scenario.

9 November 2026

Windows Autopilot OEM Registration Process | Microsoft Learn

Doc update

The article updates its title and description, replaces “OEM” with “manufacturer” throughout, and refreshes its metadata. It continues to describe manufacturer registration, device guidelines, and Microsoft Entra Global Administrator approval.

9 November 2026
2

Tutorial Co Manage New Devices

Doc update

The documentation now uses present-tense wording for enabling co-management, clarifies use of the saved enablement command, and simplifies the pilot collection instruction. The supported Azure clouds remain unchanged.

9 November 2026
2
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Co-management Workloads - Configuration Manager | Microsoft Learn

Doc update

The page title, metadata, formatting, and wording were updated. Guidance now more clearly describes workload switching, Configuration Manager client settings after moving Windows Update, Windows Autopatch requirements, and resource access policy behavior.

9 November 2026
1

Defender Advanced Threat Protection

Doc update

The page received grammar, wording, and formatting updates, a new metadata date, and clearer descriptions of supported operating systems and onboarding paths for MDE Client, MMA, and Windows 8.1 devices.

9 November 2026
1
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