What steps should be followed when upgrading from firmware version earlier than TATDAG_14_18_05.X to newer versions?
Uninstall previous Command Center server and client versions, reboot the PC, upgrade all devices to firmware TATDAG_14_18_05.X or later. After that, install new versions of Command Center Server and Client, add the upgraded device back to the command center (after a firmware update).
From the official HP Smartstream Software For HP Jet Fusion 3D Printers manual, page 23
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