What does this mean? It popped up on my computer: 192.168.2.2 in use by d8:a2:5e:41:aa:6e, DHCP Server 192.168.2.1
closed as off topic by Jason Berg, Shane Madden, SvW, Iain♦, Sam Sep 21 '11 at 11:15
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Your IP address is 192.168.2.2, but that is also in use by another computer with the MAC address d8:a2:5e:41:aa:6e. Your DHCP server, which is 192.168.2.1, needs to be reconfigured because it is either handing out an IP address that is set manually on another device or it exists with another DHCP server and has the same scope as the other one.