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Guide

How to migrate a server with minimal downtime

AISERVER engineering teamUpdated: 2026-06-197 min read

To move a server with minimal downtime the sequence is: audit and plan, prepare the new environment, run a test migration, execute a short cutover window and keep a rollback plan ready. The old environment is kept until the cutover is confirmed, so the risk stays minimal.

Plan and audit

Document the dependencies, the database and DNS. Choose the quietest window for the cutover.

Test migration

Move the data as a trial first and check that it works on the new server. That removes the surprises on cutover day.

Cutover and rollback

Switch DNS and routing to plan. If something goes wrong, fall back to the old environment — which is exactly why we don't delete it early.

Who it's for

  • Companies moving from another provider
  • Teams replacing ageing hardware with a new server
  • Anyone worried about downtime during the move

Questions

How long does a migration take?

It depends on the volume — small systems take hours, large databases take longer. We give a precise estimate at the planning stage.

How is the DNS switch managed?

We lower TTLs in advance, redirect at cutover and watch propagation so users notice the shortest possible interruption.

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