Go into one of the computers which can't connect and at the Command Prompt, type ipconfig /all including the space. Right click anywhere in the black form and choose Select All then press Enter to put the entire text into the Clipboard. When you reply to this post, Control and V puts that text in here so we can see what's going on.
my network have 50 computer and connect to internet and use firewall. all computer assign ip address from dhcp.. today some computer cannot connect to internet and some can.. i check ip address and all computer have ip address assign by dhcp .. why some computer cannot connect to internet..
urgently help me.. i need a solution ..pls help me