# Persistent sync - vBulletin 4 to Discourse

**URL:** https://meta.discourse.org/t/persistent-sync-vbulletin-4-to-discourse/77688
**Category:** Support
**Created:** [2018年一月10日 18:22 UTC](https://meta.discourse.org/t/persistent-sync-vbulletin-4-to-discourse/77688 "2018-01-10T18:22:25Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)
#### Post date: [2018年一月10日 18:27 UTC](https://meta.discourse.org/t/persistent-sync-vbulletin-4-to-discourse/77688/2 "2018-01-10T18:27:01Z")

</div>

> [@spellbee2](#):
>
> should I just rip the band-aid off instead of hassling with the transition period?

You should.

> [@Gradual migration from vBulletin](https://meta.discourse.org/t/gradual-migration-from-vbulletin/46044/2):
>
> Every time we have seen people run new and old discussion / forum systems in parallel, it has been an unmitigated disaster. Highly not recommended. Either warn of the switch in advance, and fully switch, or don’t. Running old and new systems in parallel causes both to fail.

---

_[View the full topic](https://meta.discourse.org/t/persistent-sync-vbulletin-4-to-discourse/77688)._