How to Resolve Issue DNS Server Unavailable?

If you are a Windows user and you are encountering an internet error. In addition to that, if the Windows Network Diagnostic Troubleshooter also shows “DNS server unavailable” error, you should know that there are various reasons behind this error. Usually, you can encounter this glitch due to your router. In some cases, there are few third-party antivirus applications that can also be a reason for this error. Well, you can resolve this typical error on your own using several methods. In this article, we will discuss how to resolve issue DNS Server Unavailable.

Troubleshooting DNS Server Unavailable Error Quickly 

Here are some steps using which, you will be able to fix this typical error on your own.

Method 1: Flush your DNS 

If you encounter DNS server unavailable error with your device, then the first of all what you can do is to flush the DNS. Try to follow these steps, to do so: –

• First of all, on your keyboard, press the Windows logo key and the “R” key at the same time to launch the Run dialog box.
• Next, you have to type “cmd.exe” in the box and press Enter to navigate to the Command Prompt.
• Then, in the command prompt window, you need to type these commands and Enter after each of them:

1. ipconfig /flushdns
2. ipconfig /release
3. ipconfig /renew

• Now, once you are done, you need to close the Window and check if this error fixed or not. If this error persists, try to follow the other methods by Mycustomerservice.

Method 2: Reset the Router 

It is the easiest way to resolve this error. In case, if you are using a router to establish your network connection, you can unplug your router and reconnect it. Or, you can also press the Reset button of your router. After resetting your router, you will be able to resolve “DNS server unavailable” error.

Method 3: Remove Unwanted Security Programs 

At times, users have more that one security tools. If you are using more than one security tool on your Windows 8 device, you are likely to get this error on your device. This error can arise due to incompatibility problems and other conflicts between the antivirus software which you are using. In that case, you need to uninstall the extra security programs to keep only one antivirus program on your device.

Method 4: Run your Windows 8 / Windows 8.1 Network Troubleshooter 

In Windows 8 /  Windows 8.1, network troubleshooter is an inbuilt system feature. After running this troubleshooter you will be able to find the cause of your DNS problem and address it properly. If you are a non-tech savvy person, then this method will be most suitable for you. Try to follow the steps given below: –

• First of all, you have to go to the Start screen.
• Now, from the Start screen, you have to locate your mouse in the upper left corner of the screen until you notice the search box is being displayed.
• Then, in the search box, type network troubleshooter and follow the onscreen prompts to complete the task.

Method 5:  Reset TCP/IP 

This typical error can also be fixed by resetting the TCP/IP using the netsh command. You can perform it by following these steps:

• First of all, press the Windows key and the X at the same time. Now, you have to choose Command Prompt (Admin) from the list.
• Next, if you noticed that the command prompt is not available, then you have to choose PowerShell (Admin).
• After that, you have to open the command prompt as admin.
• Now, you have to enter the “netsh int ip reset”.
• Then, you need to press the Enter to run the command.
• After executing this command, check if this error persists or not. If it persists, then you can try to follow the alternative method mentioned below.

Method 6: Manually Enter IP Address  

You have to set your IP address manually if you have not set it properly to overcome this error. In order to set your IP address manually, follow the steps given below: –

• First, press the Windows Key + R at the same time to launch the run box.
• After that, you have to enter the ncpa.cpl in the dialogue box.
• Next, press the Enter button or tap on the OK button to continue.
• After you have done these steps, locate your network connection and right click on it to select the Properties option.
• When you navigate to the properties window, select Internet Protocol Version 4 (TCP/IPv4) and tap on the Properties button to continue.
• Now, in the General tab, choose to Use the following IP address option.
• Next, provide the correct IP address and Subnet mask, Default gateway, Preferred DNS server, and Alternate DNS server, and then tap on the OK button to continue.
• Now, if you are unaware of the credentials then you can check the network on another device on your network.
• After performing these steps, check whether the error is fixed or not. If the error is not resolved yet, try out the alternative step.

Method 8: Use OpenDNS or Google’s DNS 

You can fix the “DNS server unavailable” error by setting your DNS manually. To perform this method, try to follow the steps provided: –

• First of all, press the Windows key and the R at the same time to launch the Run dialog box.
• In the Run dialog box, enter the “ncpa.cpl” option and tap on the OK button to continue.
• Then, you have to find your network connection and right click on to select the properties option.
• After you notice that the properties Window opens, then you need to choose the Internet Protocol Version 4 (TCP/IPv4) and tap on the Properties button.
• Now, choose the Use the following DNS server addresses option. After that, you have to enter  8.8.8.8 as Preferred DNS server and 8.8.4.4 as Alternate DNS server. In some cases, you can also use 08.67.222.123 and tap on the OK to save the changes.

Conclusion

These are some simple troubleshooting steps to resolve your “DNS server might be unavailable error”. Hopefully, you have found this article helpful for you.