There are some system properties that may help:
ignition.ssl.keystore.alias
ignition.ssl.keystore.password
ignition.ssl.privatekey.password
These would get set in the “additional params” section of ignition.conf
.
I don’t see a way to point to a different keystore all together, though, so make sure you use the default ssl.pfx
in the webserver directory of the Ignition install.