Release and Renew IP address and fix network connectivity problemsHow to Release and Renew IP Address on Windows, Mac, LinuxWindows 10, 8.1 and 8Windows 7 and VistaWindows XPMac OSLinux/UbuntuUseful DNS Resolver Commands for WindowsFix IPconfig release renew not working

These commands help to solve network connectivity problems that arise due to expired IP addresses or other minor computer bugs. It can help to solve IP-related issues and restore fully-functioning network connection instantly. Release/Renew IP commands are usually followed by Flush DNS command, which clears DNS cache and makes requests use new IP address information. Follow the guide below to release and renew ip address on Windows 10, 8, 8.1, 7, Vista, XP, Mac and Linux. Make sure that your network adapter needs to be configured to Obtain IP address automatically, otherwise these commands won’t work.

Windows 7 and Vista

Follow these steps to use ipconfig /release and ipconfig/renew commands on Windows 7 or Vista.

Windows XP

Mac OS

Linux/Ubuntu

The guide below provides an equivalent of ipconfig /release and ipconfig /renew commands on Linux. Use these steps to force DHCP Client to Renew IP Address.

Useful DNS Resolver Commands for Windows

In addition to Renew and Release IP commands, you might want or need to use some of the commands listed below.

ipconfig /flushdns. This command helps to clear the DNS Resolver cache so that the new IP information would be fetched instantly.ipconfig /registerdns. This command refreshes all DHCP leases and registers DNS names from scratch.ipconfig /displaydns. Shows current contents stored in DNS Resolver Cache.

Fix IPconfig release renew not working

IPConfig /Release and /Renew commands work only if your network adapter is set to fetch the IP address automatically. In other words, you need to have DHCP enabled. You can configure these settings via Windows Network and Sharing Center. 1. Go to Network and Sharing Center, then select Change adapter settings. 2. Right-click your network adapter and open Properties.3. Find Internet Protocol Version 4 ( TCP /IPv4) and click Properties.4. Select Obtain IP Address automatically and click OK to save.