# Re-installing and Let's Encrypt

**URL:** <https://meta.discourse.org/t/re-installing-and-lets-encrypt/300358>\
**Category:** Self-hosting\
**Created:** [March 21, 2024, 1:48pm UTC](https://meta.discourse.org/t/re-installing-and-lets-encrypt/300358 "2024-03-21T13:48:33Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![JPD](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jpd/32/371816_2.png) [@JPD](https://meta.discourse.org/u/JPD)\
**Post date:** [March 21, 2024, 1:48pm UTC](https://meta.discourse.org/t/re-installing-and-lets-encrypt/300358/1 "2024-03-21T13:48:33Z")

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If, for any reasons (e.g. due to the failing migrations requiring re-installations or any other “experimenting”) you have to perform a few subsequent rebuild-app’s, what would be the safest way to ensure the already existing Let’s Encrypt cert is re-used and not re-issued?

As I understand (this is what I saw in some post here), after a few tries Let’s Encrypt blocks your cert for some time (days?), hence the question.

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