# Failed to connect to backoff(async(tcp://IP:5044)): dial tcp IP:5044: i/o timeout

**URL:** <https://discuss.elastic.co/t/failed-to-connect-to-backoff-async-tcp-ip-5044-dial-tcp-ip-i-o-timeout/234686>\
**Category:** Beats\
**Created:** [May 28, 2020, 7:59am UTC](https://discuss.elastic.co/t/failed-to-connect-to-backoff-async-tcp-ip-5044-dial-tcp-ip-i-o-timeout/234686 "2020-05-28T07:59:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Fent](https://avatars.discourse-cdn.com/v4/letter/f/858c86/32.png) [@Fent](https://discuss.elastic.co/u/Fent)\
**Post date:** [May 28, 2020, 7:59am UTC](https://discuss.elastic.co/t/failed-to-connect-to-backoff-async-tcp-ip-5044-dial-tcp-ip-i-o-timeout/234686/1 "2020-05-28T07:59:46Z")

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HI, I run filebeat on machineA to send log data to Logstash Server,  
but show " Failed to connect to backoff(async(tcp://IP:5044)): dial tcp IP:5044: i/o timeout"  
machine A "ping" Logstash Server ok,

the same config of filebeat.yml ,I try run on another machine B,it work well;  
machine A and machine B are window system;  
I wan to to know if I need extra settings on machineA ?  
Thank you for your response;

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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:** [June 25, 2020, 9:59am UTC](https://discuss.elastic.co/t/failed-to-connect-to-backoff-async-tcp-ip-5044-dial-tcp-ip-i-o-timeout/234686/2 "2020-06-25T09:59:57Z")

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