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Week in brief

MemberOf retirement deadline leads Microsoft Entra’s October administrator briefing

The week’s consequential change is the November 3, 2026 retirement of the MemberOf rule operator, which will stop MemberOf-based updates in dynamic groups, administrative units, and entitlement policies. The other updates are primarily documentation changes covering Private Access sensor 2.2.79, External ID passkey samples, and corrected Zscaler provisioning terminology.

  • Microsoft Entra ID will retire the MemberOf operator on November 3, 2026. MemberOf-based updates will stop in dynamic groups, administrative units, and entitlement policies, creating risks for memberships, access, licensing, Conditional Access, and related services.

  • The September 29 release adds over-the-air sensor updates, enhanced Kerberos security and diagnostics, SID-based service matching, and corrected wildcard matching. Upgrading from version 2.2.42 requires a one-time full-installer deployment to enable OTA updates, with inbound TCP and UDP port 1337 allowed.

  • The guidance now links to a sample for listing and registering passkeys and documents the delegated permissions required. Its deletion flow uses high-privilege application permissions and a client secret in browser code, so the sample is for test tenants only.

  • The provisioning tutorial replaces “Zscaler ZNet” with “Zscaler ZSNet” in the title, prerequisites, gallery search instructions, and provisioning steps. Administrators should search for and select Zscaler ZSNet in the Microsoft Entra application gallery.

  • A separate provisioning tutorial now consistently uses “Zscaler” instead of “Zscaler Authentication Service” across its title, prerequisites, configuration steps, and Microsoft Entra app-gallery instructions.

For Entra administrators

Replace MemberOf configurations before November 3, 2026. For Private Access, upgrades from version 2.2.42 require a one-time full-installer deployment; allow inbound TCP and UDP on port 1337, and use IPv4 for Kerberos because IPv6 Kerberos traffic is blocked. Treat the passkey deletion sample as test-tenant-only and use the corrected Zscaler app names when following provisioning guides.

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

Updates this week

2
1

Microsoft Entra ID: Final reminder to replace MemberOf rule operator configurations by November 3, 2026

New

Microsoft Entra ID will retire the MemberOf rule operator by November 3, 2026. Organizations must replace MemberOf in dynamic groups, administrative units, and entitlement policies to avoid outdated memberships, access, and licensing issues. After this date, MemberOf-based updates will stop, impacting Conditional Access and related services.

5 October 2026
Message CenterMC1488834 on mc.merill.net ↗Plan for change
1

Credential Management Api

Doc updateAction required

The article now links to a sample app demonstrating passkey listing and registration with delegated permissions and warns that its deletion flow uses high-privilege application permissions and a client secret in browser code.

6 October 2026
1

Sign In With Passkey

Doc update

The documentation now describes a sample where signed-in customers list and register their own passkeys. It warns that the deletion flow uses high-privilege permissions and a client secret, so the sample is for test tenants only.

6 October 2026
1

Samples and guides for integrating apps with External ID

Doc update

The page now links to a sample for listing and registering passkeys and documents delegated permissions for those operations. It also warns that deletion uses high-privilege application permissions and a client secret in browser code.

6 October 2026
1

Private Access Sensor Release History

Feature updateAction required

Version 2.2.79, released September 29, 2026, adds over-the-air sensor updates, enhanced Kerberos security and diagnostics, SID-based service matching, and corrected wildcard matching.

6 October 2026
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