Printbrm.exe (the Printer Migration Wizard or the command-line tool) failed to restore print queue %1 because port %2 is ...

Printbrm.exe (the Printer Migration Wizard or the command-line tool) failed to restore print queue %1 because port %2 is unknown. Printbrm.exe will attempt to restore the print queue on port FILE: instead. This can occur if the backup file contains incomplete data about the port, or if the port or port settings are incompatible with the version of Windows installed on the destination computer. Recreate the affected port on the destination computer and then change the print queue to use the new port.