You receive an error, "Unable to wake [ComputerName] in [N] [time]". For example:
The error is logged as, "AdminArsenal.PDQInventory.Tools.Wake.WakeTimeoutException"
Wake-on-LAN was unable to wake the computer in the specified timeout interval. You can attempt to increase the timeout interval if the computer is configured to respond (wake) to WOL packets. If the computer fails to wake, check to ensure the computer is capable of responding to WOL packets.