Technical Tip: How to resolve Collector installation error 'Not Able to resolve the test host provided'

While installing a Collector, it has been often observed that collector shows No Connection even after collector registration is successful. This error leads to analysis of collector installation logs in /usr/local/fresh-install/logs/ansible.log. The following errors have been observed in logs.

[07:27:27] fsm-network : NETWORK | Set DNS ...| localhost | FAILED | 33.56s
{
 - msg: One or more items failed
 - results: [ {
 - msg: {
[07:27:27] fsm-network : NETWORK | Set DNS ...| - set_dns_Status: FAILED
 - set_dns_RetCode: Not Able to resolve the test host provided
 }
 - failed: True
 - changed: False
 - item: 
 - 10.150.120.71
 - 10.150.120.72
 - google.com
 - collector
 - /usr/local//fresh-install
 ******************** FSM TASK RESULT ********************************************

Fsm Tasks Summary On localhost : success=29 changed=24 unreachable=0 failed=1

• To resolve the error above, run configFSM.sh again and select the option 'change_network_config'.

• IP Address configuration can be left unchanged if there are no corrections to be made.
• Under the Enter host for checking network connectivity section, enter a test ping host 127.0.0.1 instead of google.com. 

• Select Next to apply the changes and select Run to finish collector installation. This would complete collector installation.
• The collector will be rebooted. Run the following command to register the collector.

/opt/phoenix/bin/phProvisionCollector --add <user> '<password>' <Super IP or Host> <Organization> <CollectorName>

Related document:

ESX installation guide - FortiSIEM.