Patent 7861023 was granted and assigned to Fujitsu on December, 2010 by the United States Patent and Trademark Office.
A multiuser KVM switch that is connected between a plurality of consoles used by respective users and a plurality of servers, including: a setting portion that sets lock of an operation right for each server; and a prohibition portion that, when at least one operation right of the servers is locked by the setting portion, prohibits the consoles used by other users from operating a server in which the operation right is locked.