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Azure Arc-enabled servers prerequisites

Timelines and exceptions · All guidance changes

Azure Arc · Official Microsoft guidanceObserved changes retained

Observed content change

4 new passages (about 140 words), 1 edited passage (109 words changed). The changed wording mentions dates and deadlines, supported platforms, settings and controls. Review the source to confirm the effect.

May need admin actionCheck the dates against your plans; check the platforms and versions you run; check the settings the wording names.

Support wordingDate or deadline wording
EditedSupported operating systems
Operating system Version x86-64 ARM64 [removed: Expected] End of [removed: Arc Support] [added: new agent version support] Notes AlmaLinux 8 ✅ ✅ May 2029 AlmaLinux 9 ✅ ❌ August 2032 Amazon Linux 2 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Amazon Linux 2023 ✅ ✅ August 2027 Azure Linux (CBL-Mariner) 3.0 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Azure Local Debian 11 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Debian 12 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Debian 13 ✅ ❌ — Oracle Linux 7 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Oracle Linux 8 ✅ ✅ August 2029 Oracle Linux 9 ✅ ❌ August 2032 Oracle Linux 10 ✅ ❌ — Red Hat Enterprise Linux (RHEL) 7 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Red Hat Enterprise Linux (RHEL) 8 ✅ ❌ August 2029 Red Hat Enterprise Linux (RHEL) 9 ✅ ❌ August 2032 Red Hat Enterprise Linux (RHEL) 10 ✅ ❌ August 2035 Rocky Linux 8 ✅ ❌ August 2029 Rocky Linux 9 ✅ ❌ August 2032 SUSE Linux Enterprise Server (SLES) 12 SP5 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] SUSE Linux Enterprise Server (SLES) 15 SP3 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] SUSE Linux Enterprise Server (SLES) 15 SP4 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] SUSE Linux Enterprise Server (SLES) 15 SP5 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] SUSE Linux Enterprise Server (SLES) 15 SP6 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] SUSE Linux Enterprise Server (SLES) 15 SP7 ✅ ✅ August 2031 Ubuntu 18.04 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Ubuntu 20.04 ⚠️ ⚠️ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Ubuntu 22.04 ✅ ✅ May 2027 Ubuntu 24.04 ✅ ✅ May 2029 Ubuntu 26.04 ✅ ❌ — Windows Client 10 ✅ ❌ — see client operating system guidance Windows Client 11 ✅ ❌ — see client operating system guidance Windows … see client operating system guidance Windows IoT Enterprise LTSC 10 (2021) ✅ ❌ — see client operating system guidance Windows IoT Enterprise LTSC 11 (2024) ✅ ❌ — see client operating system guidance Windows Server 2012 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Windows Server 2012 R2 ⚠️ ❌ November 2026 [removed: Approaching end of Arc] [added: New arc agent version] support [added: ends November 2026] Windows Server 2016 ✅ ❌ February 2030 Windows Server 2019 ✅ ❌ — Windows Server 2022 ✅ ❌ — Windows Server 2025 ✅ ❌ —
NewAzure Connected Machine Agent OS support and deprecation
[added: When an operating system version reaches the date listed in the End of new agent version support column, Microsoft stops releasing new versions of the Azure Connected Machine Agent for that operating system version. In accordance with the Azure Connected Machine Agent release and support policy, Microsoft continues to support and service the final compatible agent version for 12 months after the final agent release.]
NewAzure Connected Machine Agent OS support and deprecation
[added: Customers should upgrade to a supported operating system version before the servicing period ends to continue receiving Azure Connected Machine Agent updates.]
NewAzure Connected Machine Agent OS support and deprecation
[added: Azure Connected Machine Agent support follows Microsoft's support lifecycle for the agent and is independent of extended support programs offered by operating system vendors. Participation in an extended security or support offering doesn't extend or otherwise change Microsoft's support timeline for the Azure Connected Machine Agent.]

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, supported platforms, settings and controls. These matches identify subjects to assess; they do not establish a policy change or applicability.

Observation details · observed 18 Oct 23:34 UTC
Observed by ChangeIntel
18 Oct 23:34 UTC
Source update metadata
13 Oct 17:11 UTC
First observed on this installation
8 Oct 23:13 UTC
Last successful check
today 19:29 UTC
Next check due
21 Oct 01:29 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.

This is an earlier observation; review the latest in My radar.

Timeline

From the capture of 18 Oct 23:34 UTC · an earlier observation

Relative periods

Counted from an event the source describes, such as installing an update; they are not calendar dates.

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. New dated step Azure Connected Machine Agent OS support and deprecationseen by ChangeIntel
    for 12 months
  2. Recommendation added Azure Connected Machine Agent OS support and deprecationseen by ChangeIntel
6 earlier changes
Observed history and review priority

Captured 18 Oct 23:34 UTC; extracted 18 Oct 23:35 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 · 24

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/azure-management-docs, 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. Learn Editor: Update prerequisites.md Served on LearnView diff
  2. Learn Editor: Update prerequisites.md View diff
  3. Learn Editor: Update prerequisites.md View diff
  4. Learn Editor: Update prerequisites.md View diff
  5. Learn Editor: Update prerequisites.md View diff
  6. Update articles/azure-arc/servers/prerequisites.md View diff
  7. Learn Editor: Update prerequisites.md View diff
  8. Update articles/azure-arc/servers/prerequisites.md View diff
  9. Learn Editor: Update prerequisites.md View diff
  10. docs: update ms.date and add important notes regarding ESU deactivati… (#2862) View diff
  11. Arc OS Support Updates (#2794) View diff
  12. Learn Editor: Update prerequisites.md View diff
  13. Learn Editor: Update prerequisites.md View diff
  14. Add arm64 support for Azure Linux 3.0 in Arc servers prerequisites View diff
  15. Update Azure Linux 2 limited end of support in prerequisites View diff
  16. Update Debian and Oracle Linux support status View diff
  17. fix icon View diff
  18. more edits View diff
  19. further updates View diff
  20. clarify os support View diff
  21. Update Arc Server prerequisites to reflect Debian 12 Arm64 support View diff
  22. Learn Editor: Update prerequisites.md View diff
  23. General readability edits View diff
  24. Edits View diff
  25. Draft of changes View diff
  26. Added 2025 View diff
3 metadata-only edits · author, dates or topic labels, no article text
  1. Azure-arc servers customer intents Metadata onlyView diff
  2. Metadata updates Metadata onlyView diff
  3. Changed date Metadata onlyView diff

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

Retained observations

  • 19 Oct 23:40 UTC

    1 edited passage (23 words changed). The changed wording mentions dates and deadlines, supported platforms. Review the source to confirm the effect.

  • 18 Oct 23:34 UTC · shown above
  • 12 Oct 23:53 UTC

    8 removed passages (about 50 words). The changed wording mentions prerequisites. Review the source to confirm the effect.

  • 8 Oct 23:13 UTC

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

What changed

First observed 18 Oct 2026
  1. 18 Oct 2026 Relative periodsfor 12 months
  2. 18 Oct 2026 SummaryMicrosoft's guidance publishes no dates; 8 sections of requirements, exceptions or scope. → Microsoft's guidance publishes no dates; 9 sections of requirements, exceptions or scope.

The most recent 100 field changes are listed. Complete recorded revisions are kept separately.

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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