• Some users get the error message Unable to communicate with your DHCP server after renewing the IP address of their Windows 10 PCs.
  • This type of error indicates that the network card cannot communicate with the DHCP server and thus cannot share a new IP address.
  • For more information on how to troubleshoot network problems, see our Internet and Network Center.
  • Check out our Windows 10 section for news, updates, and everything you need to know about Windows 10.

Unable To Contact DHCP Server Error

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Suppose you have tried to update or release your IP address, but you are still unable to communicate with the DHCP server.

To get to the bottom of your problems, you must first understand which element means what in this equation.

DHCP is short for Dynamic Host Configuration Protocol and is essentially responsible for creating new IP addresses.

And the type of error that comes with it is always related to the ipconfig /renew command you run at the command prompt.

This command disables communication from your network interface controller to the DHCP server. Now that we’ve clarified the basics, let’s move on to the solutions.

How can I fix the Unable to contact DHCP server error?

1. Update or reinstall your network drivers

Unable To Contact DHCP Server Error

Follow these steps to update the network drivers:
1. Press Windows Key + X and select Device Manager.
Select a category to see the device names, then right-  click on the one you want to update.

Unable To Contact DHCP Server Error

2. Select Update driver.
3. Click Search automatically for updated driver software.
4. Once you’re done updating, you’re good to go.

Follow these steps to reinstall your network drivers:

Unable To Contact DHCP Server Error

  1. Press Windows Key + X and select Device Manager.
  2. Find your network device, right click and select Uninstall device.
  3. Check the option Uninstall the driver software for this device.
  4. Select Uninstall.
  5. Click the Scan for hardware changes icon.
  6. Windows will now attempt to install the default driver.

If Windows can’t find a new driver, try looking for one on the device manufacturer’s website.

Manual driver download is a process that carries the risk of installing the wrong driver, which can lead to serious malfunctions.

The safest and easiest way to update drivers on a Windows 10 PC is to use automatic software.

We highly recommend the DriverFix utility to update your drivers to prevent damage to your PC by manually downloading the wrong driver versions.

This amazing tool has been developed so that you don’t have to worry about downloading and installing your drivers manually.

Scans your system and lists all existing and possibly missing drivers. The tool also detects whether a new version already exists for the current records. If necessary, this program can update them directly.

2. Register your DNS

Unable To Contact DHCP Server Error

  1. Type cmd into your Start menu.
  2. Open Command Prompt.
  3. Enter ipconfig /registerdns.
  4. At the command prompt, type exit.
  5. Restart your PC.

3. Enable or disable DHCP

Follow these steps to disable your DHCP:

  1. Press Windows Key + X and select Network Connections.
  2. Double click on the active network connection.
  3. Select Properties.
  4. Click Internet Protocol Version 4 or Internet Protocol Version 6.
  5. Choose Properties.

Unable To Contact DHCP Server Error

6. Click Use the following IP address.
7. Enter the values for your IP address, subnet mask, etc.

Unable To Contact DHCP Server Error

Be careful when disabling DHCP and changing to a static IP configuration. Entering the wrong settings may cause your internet connection to fail.

Follow these steps to enable your DHCP:

  1. Press Windows Key + X and select Network Connections.
  2. Double click on the active network connection.
  3. Select Properties.
  4. Click Internet Protocol Version 4 or Internet Protocol Version 6.
  5. Choose Properties.
  6. Click Obtain an IP address automatically and Obtain DNS server address automatically.
  7. Click OK.

If you have re-enabled your DHCP, you will need to restart your PC for the changes to take effect.

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