HI, I am using below starlingx iso (build 2018-Nov-11) http://mirror.starlingx.cengn.ca/mirror/starlingx/centos/2018.10/20181110/ou... *1)* “sudo config_controller” failed with following error message (Selected Simplex mode) 02/08 Applying bootstrap manifest … Failed to execute bootstrap manifest *2)* *I run it again, but this time it failed with different error*. Configuration Failed: Configuration has already been done and cannot be repeated I think, I have to delete “/tmp/config/cgcs_config” to re-run “sudo config_controller”. Please let me know the procedure to re-run “sudo config_controller”. *3)Let me go back to bootstrap error.* I have checked “puppet.log” and seen now error there, my be that is the reason of bootstrap failure. localhost:~$ localhost:~$ sudo vim /var/log/puppet/latest/puppet.log localhost:~$ 2018-11-20T12:27:05.851 ^[[0;36mDebug: 2018-11-20 12:27:04 +0000 hiera(): Found platform::params::security_feature in global^[[0m 2018-11-20T12:27:05.856 ^[[1;31mError: 2018-11-20 12:27:04 +0000 Evaluation Error: *Unknown variable: '::platform_res_mem'.* at /usr/share/puppet/modules/platform/manifests/params.pp:37:23 on node localhost 2018-11-20T12:27:05.862 /usr/share/ruby/vendor_ruby/puppet/pops/evaluator/runtime3_support.rb:39:in `optionally_fail' 2018-11-20T12:27:05.867 /usr/share/ruby/vendor_ruby/puppet/pops/evaluator/runtime3_support.rb:99:in `get_variable_value' localhost:~$ localhost:~$ Regards Saju Madhavan +91 09535134654