How to Migrate Your Website to a New Host Without Any Downtime

Switching web hosts sounds risky — what if your site goes down? What if emails stop working? What if something gets lost in the process? The good news is that, done correctly, a website migration can happen with zero downtime and no disruption to your visitors or customers.

Why Businesses Switch Hosts

• Their current host is too slow or frequently goes down
• They’ve outgrown their current plan’s resources (storage, bandwidth, visitors)
• Poor or unresponsive customer support
• Better pricing or features elsewhere
• Wanting access to modern tools (free SSL, staging environments, daily backups)

What a Proper Migration Actually Involves

1. Copying Everything to the New Server

This includes your website files, your database, email accounts, and any custom configurations. A skilled migration team copies everything to the new server before touching anything on the old one, so your live site keeps running untouched during this step.

2. Testing on the New Server First

Before any traffic is redirected, the site is tested on the new server using a temporary URL or local hosts-file override. This catches any compatibility issues — PHP version differences, missing extensions, file permission issues — while your real visitors are still safely on the old server.

3. Updating DNS

Once everything checks out, your domain’s DNS records are pointed to the new server. DNS changes can take anywhere from a few minutes to 24-48 hours to fully propagate worldwide, which is why the old server is typically kept running during this window.

4. Keeping Both Servers Live During Propagation

This is the step that actually prevents downtime: because DNS propagation isn’t instant, some visitors will briefly still reach the old server while others reach the new one. Keeping both servers active and in sync during this window means nobody sees an error, no matter which server they land on.

What Can Go Wrong (If Done Carelessly)

• Email stops working because MX records weren’t migrated correctly
• The old server is shut down before DNS has fully propagated
• Database or file permission issues aren’t caught before go-live
• SSL certificates aren’t reinstalled on the new server

How Long Does It Take?

For most small-to-medium business websites, the technical migration itself (copying files and database, testing) takes anywhere from a few hours to a full day. The DNS propagation window afterward is where most of the “waiting” happens, though your site remains fully live and accessible throughout.

Preparation Checklist

• List every mailbox, including rarely used ones and forwarders.
• Confirm you can log in to your domain registrar, because DNS changes happen there.
• Note your PHP version and key plugins.
• Take a full backup before you start.
• Pick a quiet time for the DNS switch.

What to Check After Migration

• Home page, inner pages and images load correctly.
• Forms, shopping carts and logins work.
• The padlock shows, so SSL is active on the new server.
• Email sends and arrives in both directions.

FAQ

Will a migration hurt my search rankings?

Not normally. If your URLs stay the same and the site stays online throughout, rankings are generally unaffected.

When should I cancel the old hosting?

Only after the new site and email are stable and DNS has fully propagated.

Our Free Migration Service

At Edish, we handle the entire web hosting migration process for you at no extra cost — files, databases, and email accounts included — so you don’t have to worry about any of the technical steps above. Contact our team to get your migration scheduled, and we’ll walk you through exactly what to expect before we begin.