ChangeIntelIT change radar
Public mode

No tenant, Graph, or device access. Every item links to its source. What this means

Some sources or documents need attention: 254/255 feeds/APIs · 0/409 docs · checked 15:58 UTC Customize Public modeDiscuss ChangeIntel on Discord

Recorded 14 Oct 2026 at 12:55 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

A published calendar (.ics) returns "HTTP 500" for calendar applications

After you install the August 2026 security update (Exchange Server SE, build 15.2.2562.46), subscriptions to an anonymously published Exchange calendar stop refreshing. The subscribing application reports a server error, and the URL returns HTTP 500.

Permanent link to this revision

What it said

Status
Resolved in KB5128896
Published
2 Oct 2026
Product
Exchange

What changed

First observed 14 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 14 Oct 15:58 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current