I dont think you can make an exception to this. The Unity SA does not really have a good "tiered" access level for Moves adds changes based on Login. Unity 5.0 will have more tiered access level to achieve this from what i have heard. You might be able to get around this by using Voice Provisioning Tool (VPT) or it's replacement. You can create Templates that the HD can use that has all these built in.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.