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Exchange hybrid prerequisites

Timelines and exceptions · All guidance changes

Exchange · Official Microsoft guidanceObserved changes retained

Observed content change

1 new passage (15 words), 1 edited passage (17 words changed). The changed wording mentions dates and deadlines. Review the source to confirm the effect.

May need admin actionCheck the dates against your plans.

Date or deadline wording
NewPrerequisites for hybrid deployment
[added: Important Federation Trust configuration for Exchange 2010 or earlier is no longer available in HCW.]
EditedPrerequisites for hybrid deployment
… a trusted public certificate authority (CA). [removed: Although you should use self-signed certificates for the on-premises federation trust with the Microsoft Federation Gateway, you] [added: You] can't use self-signed certificates for Exchange …

Short quotes of Microsoft's changed wording from Microsoft source, © Microsoft Corporation. Read the page for the full text.

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. These matches identify subjects to assess; they do not establish a policy change or applicability.

Observation details · observed 18 Oct 23:50 UTC
Observed by ChangeIntel
18 Oct 23:50 UTC
Source update metadata
13 Oct 23:32 UTC
First observed on this installation
8 Oct 23:14 UTC
Last successful check
today 19:13 UTC
Next check due
21 Oct 01:13 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 18 Oct 23:50 UTC

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. No longer on the page Prerequisites for hybrid deploymentseen by ChangeIntel
  2. Requirement added Prerequisites for hybrid deploymentseen by ChangeIntel
  3. Requirement added Prerequisites for hybrid deploymentseen by ChangeIntel
Observed history and review priority

Captured 18 Oct 23:50 UTC; extracted 18 Oct 23:51 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c.

Review priority. Previously extracted guidance is missing from a later capture · Extracted assertions require review · Applicability or exceptions require review

0 date changes and 0 condition changes across 1 compared revisions. Suggested check interval: 6 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 · 3

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

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

Retained observations

  • 18 Oct 23:50 UTC · shown above
  • 13 Oct 00:08 UTC

    4 removed passages (about 30 words). The changed wording mentions prerequisites. Review the source to confirm the effect.

  • 8 Oct 23:14 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 19:52 UTC · 258 of 260 readable · 256 fully read · documentation 416/439 current