Windows 7 DNS server not responding. This problem arises due to many reasons but you have to test all the cases. Specifying a Public DNS i. Google DNS is a good solution but it does not solve the issue with the internal DNS server. Why do we need to add a DNS to preferred DNS This is the firs DNS server that the connection uses. You can add the other DNS server to alternate DNS servers. By adding alternate DNS server does the second DNS server also work with the connection NO. The second one works if and only if the first Preferred DNS server is not functioning. So you have to add both and either one will work. Type nslookup to a command prompt cmd to find the DNS server you are using. To verify that it is a DNS issue Ping a public IP Address. E1p67t9rTg/SwHp7tSC9jI/AAAAAAAAAE4/7ZIOZpwM-Wc/s1600/microsoft_xp_64_03.jpg' alt='Windows 7 Professional 32 Bits Portugues Iso File' title='Windows 7 Professional 32 Bits Portugues Iso File' />Type Ping 2. This is a Google server IP address. If you receive a reply, you are experiencing a DNS issue. You have to test few websites using more than 1 browser sometimes. Clear the temp files, cookies and cache to fix the issue. Since two days my windows7 laptop is not connecting to the internet. When i tried to troubleshoot the issue i got a warning that DNS server is not responding. Microsoft Security Essentials Windows 7 Windows Defender Windows 8,Windows RT, Windows 8. Windows RT 8. 1, Windows 10 Realtime protection against spyware. Original untouched ISO of Windows 7 Ultimate Full Version Free Download. The best ISO download with SP1 for both 32bit and 64bit PC. In a command prompt Type ipconfig flushdns and hit enter. Then type ipconfig registerdns and hit enter. This will re initiate the DNS connection. To resolve any problems with ip addresses DHCP, type ipconfig release and hit enter. Stronghold 2 Deluxe German S there. Then type ipconfig renew and hit enter. Important Type services. Verify that the DNS CLIENT service is running. NSLOOKUP Advanced Make sure a dns is available for you. This can be located using Network Adapter Status Right click adapter in Network Connections. Make sure your adapter is configured with TCPIPv. Advanced These options must be selected. Option. 1 and its sub option check box. Register this connections address in DNS. You can also try disabling the TCPIPv. Your firewallinternet security suite may be blocking DNS port 5. Try disabling the firewall or configure a port rule port 5. The configuration varies and depend on your firewall type. This also applies to routers. If you are using a modem connected. Turn off MAC Filtering as well or configure and allow the client PC. In Device Manager, Click View Show Hidden Devices Network Adapters Disable Virtual Wi. Fi Miniport Adapters if enabled Virtual. If there are any other Virtual Adapters Vm. Ware etc if you are using, disable them. This will be further explained below. Reset the Firewall to default settings. Disable all network adapters and then re enable. Disable IPv. 6 settings. If nothing works, open the Event Viewer search and then go to Windows Logs System. Check for DNS errors. If you have changed the hosts file, you have to check whether there are specific settings in the hosts file. C WindowsSystem. If you are using a VPN connected your internet connection is set to use VPN. Your company may block internet access to VPN most probably. Steps Bring up the properties for the VPN Connection. Click on Internet Protocol Version 4 TCPIPv. Properties. Click on the Advanced button, then un tick Use default gateway on remote network Click OK. VMWare If you have installed VMWare products, it will configure 2 VMWare Virtual Adapters. Never configure NAT with the same LAN IP. If you do, there will be many issues. If you have configured, change it with VMWare Virtual Network Editor. Edit Virtual Network Editor. Or disable WMWare Virtual Adapter 8. Reset the Adapter. Resetting Launch cmd. Administrator. Firewall netsh advfirewall reset. Branch cache netsh branchcache reset. Winsock Reset netsh winsock reset. Note All Winsock Layered Service Providers which were previously installed must be reinstalled. This command does not affect Winsock Name Space Provider entries. Important Disable Wan Miniport drivers redundant. Uninstall and Re install Network Adapter LAN drivers. Change router port or routerswitch. Change DNS server Internal. Try a system restore. Reset router and test. Ascom Ip-Dect Manual. Troubleshoot hardware issues. Hope this helps. This post is targets all the users who experience DNS issues.