Silly question - but did you plug them back into the same exact ports on the same switch?
Maybe it is something simple - like someone took a DHCP lease that is the same IPs? This time of day is when users typically log on for the day...
Silly question - but did you plug them back into the same exact ports on the same switch?
Maybe it is something simple - like someone took a DHCP lease that is the same IPs? This time of day is when users typically log on for the day...