I need to add an Ipv6 address in windows xp . Ipv6 is enabled. iam adding an unique local address ,which i created from a web site sixxs.net .by supplying the MAC address . I used the below command combinations..... netsh interface ipv6 add address "Local Area Connection" fd4d:6652:95e2:: netsh interface ipv6 add address "Local Area Connection" fd4d:6652:95e2:0:0:0:0:0 netsh interface ipv6 add address "Local Area Connection" fd4d:6652:95e2:0000:0000:0000:0000:0000 It displays an error as :Incorrect parameter I used the same command for the below and it works perfectly netsh interface ipv6 add address interface=5 address=2001::1 Can somebody help to correct the same