Sometimesour DHCP service is not able to pull an IP addresse from DHCP server , that means the network stack on Windows.If need to reset the stack on windows . open command prompt with administrator privilege (click on Start -> type in “cmd” -> right click on the command prompt and choose “Run as Administrator”) and type these command:
netsh int ip reset C:netsh.log.txt
netsh winsock reset
Now all your network configuration is reset.