Public mode

No access to your tenant or devices. Every item links to its source. What this means

Some sources or documents need attention: 258/260 feeds/APIs · 415/439 docs · checked 23:56 UTC Customize Public modeDiscuss ChangeIntel on Discord

NTLMv1 SSO enforcement phases

Timelines and exceptions

Timeline

From the capture of 19 Oct 00:53 UTC · an earlier observation
  1. Audit / monitorAugust 2025 Events or warnings only; nothing is blocked
  2. Audit / monitorand later; update release September 2025 Published timing is qualified; effectiveness is not confirmed.
  3. November 2025
  4. Enforced by defaultOctober 2026 Published timing is qualified; effectiveness is not confirmed.
  5. Enforced by default13 Oct 2026 Published timing is qualified; effectiveness is not confirmed.
  6. Enforced14 Oct 2026 Now: Enforced; the override no longer helps
  1. 9 months agoyear windowlater in
  2. 13 months agomonth windowlateAudit / monitor
  3. 12 months agomonth windowupdate release · Patch Tuesday 9 Sep 2025Audit / monitor · unconfirmed
  4. 10 months agomonth window
  5. this window includes todaymonth windowupdate release · Patch Tuesday 13 Oct 2026Enforced by default · unconfirmed
  6. 8 days agoEnforced by default · unconfirmed
  7. 7 days agoEnforced

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.

How this timeline changed

Changes between ChangeIntel's readings of the page, between commits of its source file where Microsoft publishes it, in Internet Archive copies of pages that keep no other history, and entries from Microsoft's own change log (dated as Microsoft dates them). Edits between readings that neither records are unknown.

  1. Exception added Backgroundseen by ChangeIntel
  2. No longer on the page Backgroundseen by ChangeIntel
  3. New dated step Introductionseen by ChangeIntel
    October 2026
  4. Exception added Rollout of changesseen by ChangeIntel
  5. Exception added Temporary security exceptionseen by ChangeIntel
  6. No longer on the page Timelineseen by ChangeIntel
    October 2026
  7. New dated step Backgroundseen by ChangeIntel
    August 2025
  8. New dated step Changesseen by ChangeIntel
    October 2026, October 13, 2026
  9. New dated step New registry keyseen by ChangeIntel
    August 2025
  10. New dated step New registry keyseen by ChangeIntel
    October 2026, October 13, 2026
  11. New dated step Referencesseen by ChangeIntel
    October 14, 2026, October 2026
  12. New dated step Rollout of changesseen by ChangeIntel
    October 2026, October 13, 2026
10 earlier changes
  1. No longer on the page Rollout of changesseen by ChangeIntel
    September 2025 and later
  2. No longer on the page Rollout of changesseen by ChangeIntel
    October 2026
  3. New dated step Rollout of changesseen by ChangeIntel
    later in 2025, September 2025 and later
  4. New dated step Timelineseen by ChangeIntel
    October 2026, October 2026
  5. Recommendation added Preparing for Enforce modeseen by ChangeIntel
  6. Requirement added Restartin New registry keyseen by ChangeIntel
  7. Requirement added Temporary security exceptionseen by ChangeIntel
  8. Scope added Backgroundseen by ChangeIntel
  9. Scope added Frequently asked questions (FAQ)seen by ChangeIntel
  10. Scope added Rollout of changesseen by ChangeIntel
Observed history and review priority

Captured 19 Oct 00:53 UTC; extracted 19 Oct 00:54 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c.

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.

Retained observations · 3

Compact evidence remains available after full document bodies expire. Earlier extractions can have different vocabulary or capture limitations.

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 20 Oct 23:56 UTC · 258 of 260 readable · 256 fully read · documentation 415/439 current