# How much does changing the subdomain/domain break things?

**URL:** https://meta.discourse.org/t/how-much-does-changing-the-subdomain-domain-break-things/391269
**Category:** Support
**Tags:** domains
**Created:** [December 14, 2025, 10:50am UTC](https://meta.discourse.org/t/how-much-does-changing-the-subdomain-domain-break-things/391269 "2025-12-14T10:50:47Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)
#### Post date: [December 14, 2025, 10:53am UTC](https://meta.discourse.org/t/how-much-does-changing-the-subdomain-domain-break-things/391269/2 "2025-12-14T10:53:32Z")

</div>

You need to make a backup on the old/current domain and restore after you’ve changed to the new one.

---

_[View the full topic](https://meta.discourse.org/t/how-much-does-changing-the-subdomain-domain-break-things/391269)._
