# APM Agent to APM Server Communication issue

**URL:** <https://discuss.elastic.co/t/apm-agent-to-apm-server-communication-issue/365014>\
**Category:** APM\
**Tags:** docker, dotnet\
**Created:** [August 16, 2024, 10:09am UTC](https://discuss.elastic.co/t/apm-agent-to-apm-server-communication-issue/365014 "2024-08-16T10:09:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Chandu.Tatapudi](https://avatars.discourse-cdn.com/v4/letter/c/7ab992/32.png) [@Chandu.Tatapudi](https://discuss.elastic.co/u/Chandu.Tatapudi)\
**Post date:** [August 16, 2024, 10:09am UTC](https://discuss.elastic.co/t/apm-agent-to-apm-server-communication-issue/365014/1 "2024-08-16T10:09:45Z")

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+-\> Response:  
StatusCode: 503, ReasonPhrase: 'Service Unavailable', Version: 1.1, Content: System.Net.Http.HttpConnectionResponseContent, Headers:  
{  
Cache-Control: must-revalidate, max-age=300  
X-Content-Type-Options: nosniff  
Date: Fri, 16 Aug 2024 09:37:32 GMT  
Content-Type: text/plain; charset=utf-8  
Content-Length: 81  
}  
+-\> Response body [length: 81]:  
{"error":"Agent configuration infrastructure is not ready. Please retry later."}

---

<div class="post-metadata">

**Author:** ![ashishtiwari1993](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ashishtiwari1993/32/135241_2.png) [@ashishtiwari1993](https://discuss.elastic.co/u/ashishtiwari1993)\
**Post date:** [August 21, 2024, 5:32pm UTC](https://discuss.elastic.co/t/apm-agent-to-apm-server-communication-issue/365014/2 "2024-08-21T17:32:43Z")

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@Chandu.Tatapudi Could you please enable the log on [APM agent](https://www.elastic.co/guide/en/apm/agent/java/current/config-logging.html) and check what error you are encountering?