# Ansible problem

**URL:** <https://forum.ansible.com/t/ansible-problem/23959>\
**Category:** Ansible Project\
**Created:** [March 14, 2017, 3:53am UTC](https://forum.ansible.com/t/ansible-problem/23959 "2017-03-14T03:53:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![user28](https://avatars.discourse-cdn.com/v4/letter/u/7cd45c/32.png) [@user28](https://forum.ansible.com/u/user28)\
**Post date:** [March 14, 2017, 3:53am UTC](https://forum.ansible.com/t/ansible-problem/23959/1 "2017-03-14T03:53:39Z")

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hi guys:

I use ansible run commadn on remote hosts,but some host was failed on below problem.  
I can ssh to host1 sucessfully.  
And i have 20 clients,2 was failed.  
I had already clean the ssh key 2 times, and re-add hosts to knows hosts.

What is the problem.

Thanks.