# Error when migrating to an external postgres instance

**URL:** <https://meta.discourse.org/t/error-when-migrating-to-an-external-postgres-instance/291992>\
**Category:** Self-hosting\
**Created:** [January 17, 2024, 8:19pm UTC](https://meta.discourse.org/t/error-when-migrating-to-an-external-postgres-instance/291992 "2024-01-17T20:19:24Z")\
**Posts on this page:** 1\
**Showing post:** 9

<div class="post-metadata">

**Author:** ![supermathie](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/supermathie/32/507518_2.png) [@supermathie](https://meta.discourse.org/u/supermathie)\
**Post date:** [January 18, 2024, 7:14pm UTC](https://meta.discourse.org/t/error-when-migrating-to-an-external-postgres-instance/291992/9 "2024-01-18T19:14:48Z")

</div>

What is

```plaintext
ActiveRecord::Base.connection_pool.db_config.configuration_hash

```

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