# Shutting down Migration Testnet and Previewnet

**URL:** <https://forum.flow.com/t/shutting-down-migration-testnet-and-previewnet/6468>\
**Category:** Announcements\
**Created:** [September 6, 2024, 5:30pm UTC](https://forum.flow.com/t/shutting-down-migration-testnet-and-previewnet/6468 "2024-09-06T17:30:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vishal](https://avatars.discourse-cdn.com/v4/letter/v/49beb7/32.png) [@vishal](https://forum.flow.com/u/vishal)\
**Post date:** [September 6, 2024, 5:30pm UTC](https://forum.flow.com/t/shutting-down-migration-testnet-and-previewnet/6468/1 "2024-09-06T17:30:28Z")

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hello Developers,

Flow Crescendo is now live! ❤

We will now shut down Migration **Testnet** and Previewnet - two networks only used for testing the upgrade.

Let us know if you have any concerns.

Thank you,  
Flow Foundation