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AD Kerberos RC4 detection and migration

Timelines and exceptions · All guidance changes

Active Directory · Official Microsoft guidance

No content change seen yet. Watched since 5 Oct 17:50 UTC, last read today 20:15 UTC, next check 21 Oct 02:15 UTC. Microsoft's own edits are listed below.

Read the Microsoft source · Link to this observation · My radar

Timeline

From the capture of 5 Oct 17:50 UTC · an earlier observation

Legacy capture: table structure or oversized sections are unavailable for extraction

Microsoft's revision log on this page · 19 entries

Dates from the page's own change log or history section. They describe earlier edits, not upcoming policy.

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. Microsoft logged an update Use PowerShell to audit RC4 usageMicrosoft's change log
  2. Microsoft logged an update Use PowerShell to audit RC4 usageMicrosoft's change log
  3. Microsoft logged an addition Audit RC4 usageMicrosoft's change log
  4. Microsoft logged a date change RC4 usage in Windows and its risksMicrosoft's change log
Observed history and review priority

Captured 5 Oct 17:50 UTC; extracted 16 Oct 16:10 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c/legacy.

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 · 9

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 23:40 UTC.

  1. Update detect-remediate-rc4-kerberos.md Served on LearnView diff
  2. Minor fix to detect-remediate-rc4-kerberos.md View diff
  3. Update WindowsServerDocs/security/kerberos/detect-remediate-rc4-kerberos.md View diff
  4. Clarify default View diff
  5. Correct information in important notice View diff
  6. Detect and remediate RC4 usage in Kerberos View diff
1 metadata-only edit · author, dates or topic labels, no article text
  1. Updating ms.authors part 4 Metadata onlyView diff

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

Retained observations

  • 12 Oct 19:50 UTC

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

  • 6 Oct 17:57 UTC

    Source metadata changed; retained article content is unchanged.

  • 5 Oct 17:50 UTC · shown above

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 21:54 UTC · 257 of 260 readable · 255 fully read · documentation 416/439 current

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