bootstrap.py error

Hi,

Our Satellite 6.3 server connects to Redhat via a proxy server which is configured and working. As part of trying to register a client and running the bootstrap.py it is rebuilding the rhsm.conf file on the server as part of the 'katello-ca-consumer-latest.noarch.rpm' install. This is causing problems because it has proxy settings in it so it is trying to go to the Satellite server when registering via the proxy server and failing with below error:

[RUNNING], [2018-03-15 13:20:52], [/usr/sbin/subscription-manager register --org '****' --name '***********' --activationkey 'AK_REG_********' --serverurl=https://***************:443/rhsm --baseurl=https://************/pulp/repos --force]
[ERROR], [2018-03-15 13:21:02], EXITING: [/usr/sbin/subscription-manager register --org '*****' --name '**************' --activationkey 'AK_REG******' --serverurl=https://***********:443/rhsm --baseurl=https://*************/pulp/repos --force] failed to execute properly.
Proxy connection failed, please check your settings.

Where is it pulling this rhsm.conf file from and in particular the proxy settings from I tried removing them from the rhsm.conf on the satellite server and re-trying but same error.

Any help much appreciated
Thanks,
Fergus