Thank you Henk. Rebooted firewall/router, AP controller, computer with print server, switches. Still no luck plus now half of their Avaya phones are getting IP's out of range. Very weird! Rebooted that controller too but no change.
I operate a blended network, wired and wireless, on different IP ranges, wired on a 192 and wireless on a 172 range. Printers are on the wired network. Last week, wireless users could print to the network printers. Monday they could. After the latest update, all of my wireless users can't...