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Upgrade Business Central Sandbox to Preview Version

Updating an existing Business Central sandbox to a preview version from the admin center, so upcoming functionality can be tested with real customer data, configurations and extensions. Covers scheduling the update, post-upgrade testing and preview limitations, including deletion 30 days after GA.

  1. 0:00 Introduction and Overview
  2. 0:28 Why Test Preview with Customer Data
  3. 1:23 Preview Sandbox vs Existing Sandbox Approaches
  4. 2:52 Admin Center and Update Settings
  5. 5:10 Scheduling the Preview Update
  6. 6:38 Testing After Upgrade
  7. 8:02 Preview Environment Limitations
  8. 9:26 Upgrade in Progress and Data Considerations
  9. 11:15 Summary and Call to Action
video Saurav Dhyani · 2026-09-18Watch on YouTube

Overview

The video shows how to schedule an existing sandbox to update to a preview version instead of creating a new clean preview environment. The presenter argues this is useful for customers because the sandbox already holds their extensions, realistic data and configurations, which gives a rough estimate of how the new version will behave for them.

It walks through the admin center: viewing environments, checking application versions, and choosing a date and time for the update. It then covers testing after the upgrade and the limits of preview environments, which are temporary and cannot be moved to a different version.

Key points

  • An existing sandbox can be scheduled to update to a preview version, rather than creating a new clean preview environment.
  • Testing this way uses the customer’s own extensions, data and configuration, which gives a rough estimate of impact, not a guaranteed result.
  • Updates are scheduled in the admin center, where you check environments and application versions and pick a target version, date and time.
  • The scheduled date and time are based on the environment’s region; an option allows the update to run outside the configured update window.
  • Check that the sandbox is not in use for active testing before upgrading it.
  • Preview environments are deleted automatically 30 days after the version becomes generally available, without prior notice.
  • A preview environment cannot be updated to a different version, and it should not be treated as a permanent sandbox. Tell customers it is temporary.

Features

Feature Status At
Update existing sandbox to preview version status not stated, demoed 0:01
Preview environment deletion after GA status not stated 8:02
Schedule preview version update from admin center status not stated, demoed 3:31

AL objects mentioned

As heard in the captions. A name that matches one object page by exact type and name links to it; the others stay as named.

  • other “BC28 US environment” at 3:31

Quotes

  • 0:54 “Microsoft I don’t remember the exact timeline but I have allowed existing sandbox environment to update to a preview version during the preview period.”
  • 1:52 “Microsoft specifically documents that upcoming updating an existing sandbox to a preview allows you to review the new functionality in an environment where the”
  • 3:07 “This approach is particularly useful for customers because it has customer extension, customer realistic data setups and configurations.”
  • 8:15 “Microsoft deletes those environment 30 days after the version becomes generally available.”
  • 8:55 “You will not be able to update a preview environment to a different version. So it automatically gets update from Microsoft but you cannot”

Disclaimers in the video

  • 8:15 coming-later: Microsoft deletes those environment 30 days after the version becomes generally available.
  • 8:41 subject-to-change: This environment will only be available 30 days after the GA.
  • 9:11 subject-to-change: Don’t treat this as a permanent sandbox it is just temporarily for testing.

Presenters (as heard): Savani.