MSIR.0839 FTP DEASSIGN can't be performed: FTP Port is started

A JANUS FTP DEASSIGN command was issued, but such a command is not allowed while the FTP port is started. At the very least, the FTP port must be stopped before a DEASSIGN is done, though, most likely, HOME or ALLOW rules must also be deleted. To get rid of a JANUS FTP ASSIGN rule, it is probably simplest to drain and delete the port, and then specify the new ASSIGN rules.