# Multi-node cluster certificates

**URL:** <https://discuss.elastic.co/t/multi-node-cluster-certificates/323522>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [January 19, 2023, 1:27pm UTC](https://discuss.elastic.co/t/multi-node-cluster-certificates/323522 "2023-01-19T13:27:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![cdy5159](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/cdy5159/32/115812_2.png) [@cdy5159](https://discuss.elastic.co/u/cdy5159)\
**Post date:** [January 19, 2023, 1:27pm UTC](https://discuss.elastic.co/t/multi-node-cluster-certificates/323522/1 "2023-01-19T13:27:52Z")

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I have a 3 node cluster that was created using the defaults at installation. Elastic version is 8.4.2. Only the cert from the initial node has a host-name built in. Do I need to re-create the transport certs and/or the http certs for the cluster to go into production?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 16, 2023, 1:28pm UTC](https://discuss.elastic.co/t/multi-node-cluster-certificates/323522/2 "2023-02-16T13:28:18Z")

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