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Certificate mapping enforcement

Timelines and exceptions · All guidance changes

Windows Server · Official Microsoft guidance

No content change seen yet. Watched since 12 Oct 19:19 UTC, last read 18 Oct 23:34 UTC, next check today 23:34 UTC.

Timeline

From the capture of 12 Oct 19:19 UTC
  1. Audit / monitor10 May 2022 Published timing is qualified; effectiveness is not confirmed.
  2. Enforced26 Jan 2023 Enforced; the override no longer helps
  3. Enforced14 Feb 2023 Enforced; the override no longer helps
  4. Enforced11 Apr 2023 Published timing is qualified; effectiveness is not confirmed.
  5. Enforced19 May 2023 Enforced; the override no longer helps
  6. Enforced30 Jun 2023 Enforced; the override no longer helps
  7. Enforced by default10 Oct 2023 On by default; an override or rollback still exists
  8. Enforced14 Nov 2023 Enforced; the override no longer helps
  9. Opt-in13 Feb 2024 Published timing is qualified; effectiveness is not confirmed.
  10. Enforced by default10 Sep 2024 On by default; an override or rollback still exists
  11. Enforced24 Oct 2024 Enforced; the override no longer helps
  12. Enforced by defaultFebruary 2025 Published timing is qualified; effectiveness is not confirmed.
  13. Enforced11 Feb 2025 Published timing is qualified; effectiveness is not confirmed.
  14. Retired / removedon or after September 2025 Published timing is qualified; effectiveness is not confirmed.
  15. Audit / monitor9 Sep 2025 Published timing is qualified; effectiveness is not confirmed.
  16. Enforced10 Sep 2025 Now: Enforced; the override no longer helps
  1. 4 years agoAudit / monitor · unconfirmed
  2. 3 years agoEnforced
  3. 3 years agofromEnforced
  4. 3 years agoEnforced · unconfirmed
  5. 3 years agoEnforced
  6. 3 years agoEnforced
  7. 3 years agoEnforced by default
  8. 2 years agofromEnforced
  9. 2 years agoOpt-in · unconfirmed
  10. 2 years agonumeric month/dayEnforced by default
  11. 24 months agoEnforced
  12. 19 months agomonth windowbyupdate release · Patch Tuesday 11 Feb 2025Enforced by default · unconfirmed
  13. 20 months agoEnforced · unconfirmed
  14. 12 months agomonth windowon or afterRetired / removed · unconfirmed
  15. 13 months agoAudit / monitor · unconfirmed
  16. 13 months agonumeric month/dayfromEnforced

Settings and overrides named on this page

Registry values, policies and cmdlets the source mentions, with the dated steps that name them. Read the source for the values to set.

Requirements, exceptions and scope

Extracted automatically from Microsoft's wording. Confirm dates, conditions and whether they apply to you in the source before acting; a month or quarter is a window, not a day.

Observed history and review priority

Captured 12 Oct 19:19 UTC; extracted 16 Oct 16:10 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c.

Review priority. Extracted assertions require review · Publisher marks guidance tentative · Applicability or exceptions require review

0 date changes and 0 condition changes across 0 compared revisions. Suggested check interval: 24 hours.

Earlier unavailable versions and edits between checks are unknown. A missing statement requires review; it does not mean the policy was cancelled. Recovered historical statements are not original revision snapshots.

No related evidence found in this installation's recent collection. This does not establish that no announcement exists.

What changed

First observed 18 Oct 2026

No field changes in the recorded history.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 19 Oct 18:24 UTC · 258 of 260 readable · 256 fully read · documentation 417/444 current