Failure to comply with any of the following critical points can result in a non-functional iPrint Appliance.
Configuration file (iprintconfig.zip) of the earlier version of appliance or secondary disk that includes the earlier version configuration file.
Print pending jobs: Ensure to print or cancel any pending jobs.
Remove all snapshots prior to upgrading an appliance: To ensure that correct disk file and the latest configuration settings get migrated.
Meet all hardware and software requirements: See Section 3.0, Planning Your Print Environment.
Patch the appliance: See Field Patch.
You cannot migrate directly from iPrint 1.0 or 1.0.1 to iPrint 2.1: You must first migrate to iPrint Appliance 1.1, apply all patches, ensure that all desktop clients are updated, and then upgrade to iPrint Appliance 2.1.