# After upgraded to 2.0 one of my server become UNREACHABLE

**URL:** <https://forum.ansible.com/t/after-upgraded-to-2-0-one-of-my-server-become-unreachable/20309>\
**Category:** Ansible Project\
**Created:** [January 22, 2016, 2:15am UTC](https://forum.ansible.com/t/after-upgraded-to-2-0-one-of-my-server-become-unreachable/20309 "2016-01-22T02:15:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jarod\_Liu](https://avatars.discourse-cdn.com/v4/letter/j/71e660/32.png) [@Jarod\_Liu](https://forum.ansible.com/u/Jarod_Liu)\
**Post date:** [January 22, 2016, 2:15am UTC](https://forum.ansible.com/t/after-upgraded-to-2-0-one-of-my-server-become-unreachable/20309/1 "2016-01-22T02:15:37Z")

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`$ ansible 'kk-fj0' -m ping -vvv Using /home/jarod/workspace/ansible/ansible.cfg as config file <kk-fj0.myhost.com> ESTABLISH SSH CONNECTION FOR USER: root <kk-fj0.myhost.com> SSH: EXEC ssh -C -q -o ForwardAgent=yes -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=root -o ConnectTimeout=6 -tt kk-fj0.myhost.com 'mkdir -p "$( echo $HOME/.ansible/tmp/ansible-tmp-1453428339.66-115542581766412 )" && echo "$( echo $HOME/.ansible/tmp/ansible-tmp-1453428339.66-115542581766412 )"' <kk-fj0.myhost.com> PUT /tmp/tmpKETvqJ TO /root/.ansible/tmp/ansible-tmp-1453428339.66-115542581766412/ping <kk-fj0.myhost.com> SSH: EXEC sftp -b - -C -o ForwardAgent=yes -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=root -o ConnectTimeout=6 '[kk-fj0.myhost.com]' kk-fj0 | UNREACHABLE! => { "changed": false, "msg": "ERROR! SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh", "unreachable": true }`

This server can access from ansible 1.9 or ssh command.  
The rest of my servers can access from ansible 2.0, just this one can’t.  
Anyone know what’s the problem?