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Some sources or documents need attention: 258/260 feeds/APIs · 416/439 docs · checked 22:55 UTC Customize Public modeDiscuss ChangeIntel on Discord

SMB NTLM blocking

Timelines and exceptions · All guidance changes

Windows Server · Official Microsoft guidanceObserved changes retained

Observed content change

9 removed passages (about 80 words). The changed wording mentions dates and deadlines, prerequisites. Review the source to confirm the effect.

May need admin actionCheck whether new requirements apply to your setup; check the dates against your plans.

Requirement wordingDate or deadline wording
RemovedBlock NTLM connections on SMB
[removed: Note]
RemovedBlock NTLM connections on SMB
[removed: Access to this page requires authorization. You can try signing in or changing directories.]
RemovedBlock NTLM connections on SMB
[removed: Access to this page requires authorization. You can try changing directories.]
RemovedBlock NTLM connections on SMB
[removed: Applies to: ✅ Windows Server 2025, ✅ Windows Server 2022, ✅ Windows Server 2019, ✅ Windows Server 2016, ✅ Windows 11, ✅ Windows 10, ✅ Azure Local 2311.2 and later]
RemovedFeedback
[removed: Was this page helpful?]
RemovedFeedback
[removed: Need help with this topic?]
RemovedFeedback
[removed: Want to try using Ask Learn to clarify or guide you through this topic?]

Microsoft's wording from Microsoft source, © Microsoft Corporation, under CC BY 4.0. ChangeIntel marks removed and added words, drops formatting and shortens long unchanged stretches.

Read the current Microsoft source · Link to this observation · Compare any two versions

Sections to inspect

Up to 12 section headings from retained before/after evidence. The current source may have changed again.

Why this was flagged

The changed words, with a few words around them, matched these rule categories: dates and deadlines, prerequisites. These matches identify subjects to assess; they do not establish a policy change or applicability.

Observation details · observed 13 Oct 00:55 UTC
Observed by ChangeIntel
13 Oct 00:55 UTC
Source update metadata
6 Jan 18:40 UTC
First observed on this installation
5 Oct 23:18 UTC
Last successful check
today 00:44 UTC
Next check due
21 Oct 00:44 UTC

Observation time is not publication time, and a comparison does not establish an effective date. Full source bodies are not published; this page holds generated summaries, section headings and, as the page's license allows, Microsoft's changed wording. A documentation edit does not confirm feature availability in an environment.

Watch this page to review its changes in My radar.

Timeline

From the capture of 13 Oct 00:55 UTC

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.

  • AddToListOverride

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.

19 earlier changes
Observed history and review priority

Captured 13 Oct 00:55 UTC; extracted 16 Oct 16:10 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c.

Review priority. Extracted assertions require review · 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.

Retained observations · 19

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

Microsoft's edits

History on GitHub

Commits to the page's source in MicrosoftDocs/windowsserverdocs, with Microsoft's own messages. Commit dates can be hours or days before Learn publishes the change. ChangeIntel keeps a copy of each diff, so an edit stays readable here if GitHub stops serving it. Read 19 Oct 23:56 UTC.

  1. Merge pull request #8072 from omry99/patch-3 Served on LearnView diff
  2. Fix character casing View diff
  3. Bulk update to remove preview suffix View diff
  4. Minor updates View diff
  5. Update smb-ntlm-blocking.md View diff
  6. replaced with Windows Server 2025 multiple additional files across multiple folders within WS View diff
  7. Editorial changes View diff
  8. Updates based on feedback. View diff
  9. Adding commands. View diff
  10. Updating preview marker. View diff
  11. Updates based on feedback. View diff
  12. Adding prerequisites section. View diff
  13. Addressing additional comments. View diff
  14. Apply suggestions from code review View diff
  15. Adding cmdlet Alan described. View diff
  16. Continuing outline setup. View diff
  17. New how-to article for SMB NTLM blocking. View diff
2 metadata-only edits · author, dates or topic labels, no article text
  1. [Scoped] Updating msauthor values part 1 Metadata onlyView diff
  2. Scoped change to metadata authors Metadata onlyView diff

Suggested by a shared curated topic and product; not a verified connection (6 items)

Retained observations

  • 13 Oct 00:55 UTC · shown above
  • 5 Oct 23:18 UTC

    Baseline for retained history; no earlier retained text to compare.

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 20 Oct 22:55 UTC · 258 of 260 readable · 256 fully read · documentation 416/439 current

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