Outgrowing your hosting is a good problem — it means your site matters. But a poorly planned migration causes downtime, lost data, and SEO damage. Here is how to do it right.

Plan before you move

Document your current setup: DNS records, SSL certificates, database size, cron jobs, email configuration, and environment variables. Surprises during migration cause delays.

Set up the new environment first

Configure the new server completely — web server, database, SSL, and firewall — before touching the old one. Test with a hosts file override to verify everything works.

Lower DNS TTL in advance

Reduce your DNS time-to-live to five minutes a day or two before migration. This ensures DNS changes propagate quickly when you switch.

Sync data with minimal gap

Copy files and database to the new server. For the final sync, put the site in brief maintenance mode, export the latest database, import it on the new server, and switch DNS.

Keep the old server running

Do not shut down the old server immediately. Keep it running for 48 hours after DNS propagation in case you need to roll back.

Verify everything on the new server

Test all pages, forms, payments, API endpoints, and email delivery on the new environment before pointing DNS. A checklist prevents missed issues.

Monitor after the switch

Watch uptime, error logs, and analytics closely for 72 hours after migration. Small configuration differences often surface only under real traffic.

Update SSL and redirects

Ensure HTTPS works on the new server and that all redirects — www, trailing slashes, HTTP to HTTPS — are configured identically to the old setup.

The takeaway

A zero-downtime migration requires preparation, parallel environments, quick DNS switching, and post-migration monitoring. Rush it and you will pay in downtime.

Hedztech handles hosting migrations with minimal disruption. See cloud services and DevOps consulting, or book a consultation.