# Maximum (and minimum) certificate lifetimes?

**URL:** <https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264>\
**Category:** Issuance Policy\
**Created:** [August 17, 2015, 12:16pm UTC](https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264 "2015-08-17T12:16:26Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![rugk](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/rugk/32/19612_2.png) [@rugk](https://community.letsencrypt.org/u/rugk)\
**Post date:** [August 21, 2015, 3:29pm UTC](https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264/12 "2015-08-21T15:29:45Z")

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> [@jsha](#):
>
> The stock Let's Encrypt client is configured to attempt renewal at the sixty day mark, with thirty days left before expiry. If it fails, it will send email and the system operator will have a month in which to intervene and correct any problems.

And when will it revoke the old certificate?

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_[View the full topic](https://community.letsencrypt.org/t/maximum-and-minimum-certificate-lifetimes/264)._