SonicOS 7 NSv supports only fresh deployments. You can register NSv as SonicOS (Classic mode) or SonicOS (Policy mode). If running SonicOS, you can import settings from a 6.5.4.4 NSv. If the NSv is registered as SonicOS, you cannot import settings and must manually navigate policies, application rules, and content filtering rules for SonicOS 7 NSv installations. Note that there are console, API, and SonicOS web approaches to completing these configurations.
Moving to SonicOS 7 from SonicOS 6.5.4 requires a Secure Upgrade Path key that must be purchased separately. You can choose from any of the following:
To upgrade an existing SonicOS 6.5.4.v NSv deployment to SonicOS 7 or higher