# Problem connection with hosts **URL:** \ **Category:** AWX Project\ **Tags:** awx\ **Created:** [November 15, 2017, 1:43pm UTC](https://forum.ansible.com/t/problem-connection-with-hosts/26032 "2017-11-15T13:43:38Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Antonio\_Jimenez\_Rami](https://avatars.discourse-cdn.com/v4/letter/a/f1d935/32.png) [@Antonio\_Jimenez\_Rami](https://forum.ansible.com/u/Antonio_Jimenez_Rami)\ **Post date:** [November 15, 2017, 1:43pm UTC](https://forum.ansible.com/t/problem-connection-with-hosts/26032/1 "2017-11-15T13:43:38Z")
Hi, I have a ssh connection problem with a host when I launch a template. " **“msg”: “Failed to connect to the host via ssh: ssh: Could not resolve hostname xxxxx: Name or service not known\r\n”,** But when I connect from the hosts where it is running awx connect without problems. I am dns in the machine where de Aex is ok. Attach logs, Identity added: /tmp/awx\_37\_E7foF2/credential\_2 (/tmp/awx\_37\_E7foF2/credential\_2) ansible-playbook 2.4.1.0 config file = /etc/ansible/ansible.cfg configured module search path = [u’/var/lib/awx/.ansible/plugins/modules’, u’/usr/share/ansible/plugins/modules’] ansible python module location = /usr/lib/python2.7/site-packages/ansible executable location = /usr/bin/ansible-playbook python version = 2.7.5 (default, Aug 4 2017, 00:39:18) [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] Using /etc/ansible/ansible.cfg as config file Parsed /tmp/awx\_37\_E7foF2/inventory inventory source with script plugin PLAYBOOK: dns.yml \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 1 plays in dns.yml PLAY [all] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 14:29:11 TASK [Gathering Facts] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 14:29:11 Using module file /usr/lib/python2.7/site-packages/ansible/modules/system/setup.py Using module file /usr/lib/python2.7/site-packages/ansible/modules/system/setup.py ESTABLISH SSH CONNECTION FOR USER: soporte SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=soporte -o ConnectTimeout=10 -o ControlPath=/tmp/awx\_37\_E7foF2/cp/%h%p%r dliwebfe01 ‘/bin/sh -c ‘"’“‘echo ~ && sleep 0’”’"‘’ ESTABLISH SSH CONNECTION FOR USER: soporte SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=soporte -o ConnectTimeout=10 -o ControlPath=/tmp/awx\_37\_E7foF2/cp/%h%p%r dliwebfe02 ‘/bin/sh -c ‘"’“‘echo ~ && sleep 0’”’"‘’ (255, ‘’, ‘ssh: Could not resolve hostname dliwebfe01: Name or service not known\r\n’) (255, ‘’, ‘ssh: Could not resolve hostname dliwebfe02: Name or service not known\r\n’) fatal: [dliwebfe01]: UNREACHABLE! =\> { “changed”: false, “msg”: “Failed to connect to the host via ssh: ssh: Could not resolve hostname dliwebfe01: Name or service not known\r\n”, “unreachable”: true } fatal: [dliwebfe02]: UNREACHABLE! =\> { “changed”: false, “msg”: “Failed to connect to the host via ssh: ssh: Could not resolve hostname dliwebfe02: Name or service not known\r\n”, “unreachable”: true } Regards, ---
**Author:** ![Bruno\_Casano](https://avatars.discourse-cdn.com/v4/letter/b/ebca7d/32.png) [@Bruno\_Casano](https://forum.ansible.com/u/Bruno_Casano)\ **Post date:** [January 17, 2018, 6:57pm UTC](https://forum.ansible.com/t/problem-connection-with-hosts/26032/2 "2018-01-17T18:57:28Z")
> Hi Antonio, I have a similar problem with servers that are not in DNS. Haven’t found a solution yet, but I’ll let you know when and if I do. Regards, Bruno ---
**Author:** ![Abhinav\_anand](https://avatars.discourse-cdn.com/v4/letter/a/59ef9b/32.png) [@Abhinav\_anand](https://forum.ansible.com/u/Abhinav_anand)\ **Post date:** [July 30, 2018, 7:47pm UTC](https://forum.ansible.com/t/problem-connection-with-hosts/26032/3 "2018-07-30T19:47:32Z")
did you guys happen to get the solution? ---
**Author:** ![walkafwalka](https://avatars.discourse-cdn.com/v4/letter/w/2bfe46/32.png) [@walkafwalka](https://forum.ansible.com/u/walkafwalka)\ **Post date:** [July 30, 2018, 9:28pm UTC](https://forum.ansible.com/t/problem-connection-with-hosts/26032/4 "2018-07-30T21:28:18Z")
How did you test DNS functionality from the AWX host? I would do something like this: cat /etc/resolv.conf host dliwebfe02 docker exec -it awx\_container /bin/bash cat /etc/resolv.conf host dliwebfe02 Jul 30, 2018, 12:47 PM by [anand.avinab@gmail.com](mailto:anand.avinab@gmail.com):