# Elasticsearch Error "Authentication using apikey failed"

**URL:** <https://discuss.elastic.co/t/elasticsearch-error-authentication-using-apikey-failed/299684>\
**Category:** Elasticsearch\
**Created:** [March 15, 2022, 6:09am UTC](https://discuss.elastic.co/t/elasticsearch-error-authentication-using-apikey-failed/299684 "2022-03-15T06:09:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BoKu](https://avatars.discourse-cdn.com/v4/letter/b/bc8723/32.png) [@BoKu](https://discuss.elastic.co/u/BoKu)\
**Post date:** [March 15, 2022, 6:09am UTC](https://discuss.elastic.co/t/elasticsearch-error-authentication-using-apikey-failed/299684/1 "2022-03-15T06:09:00Z")

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Hello,

i'm running Elasticsearch 8.1.0 and have many error entries like this on in the elastic logs:  
[2022-03-15T07:02:15,222][WARN][o.e.x.s.a.ApiKeyAuthenticator] [NODENAMEE] Authentication using apikey failed - unable to find apikey with id

I get this message accross all cluster nodes with different apikeys.

I don't know how to find the causing system.

Greetings Boris

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 12, 2022, 6:09am UTC](https://discuss.elastic.co/t/elasticsearch-error-authentication-using-apikey-failed/299684/2 "2022-04-12T06:09:51Z")

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