Most of the steps carried out during installation and configuration of BP server can be scripted.
This seems to allow scripting a complete upgrade of to another BP version. What is missing though is the possibility to specify the encryption key in server configuration. eg /encryptionscheme <name><enctyptionmethod>
It is essential to use the same encryption key as used in the previous installation otherwise already encrypted data in DB cannot be read anymore.
It is possible via UI here:
