Destination Host Unreachable | How To Fix This Error?

Destination Host Unreachable

Last Updated on

The “Destination Host Unreachable” is a very common error in a Command Prompt network ping test and it’s a very annoying one because the response doesn’t provide much detail beyond the error itself:  

C:\Users\Me>ping 192.168.225.45

Pinging 192.168.225.45 with 32 bytes of data:

Reply from 192.168.225.47: Destination host unreachable.

Reply from 192.168.225.47: Destination host unreachable.

Reply from 192.168.225.47: Destination host unreachable.

Reply from 192.168.225.47: Destination host unreachable.

You will see this type of error message when the data sent from your computer reached the destination network successfully but the remote gateway failed to find the destination host. So the remote gateway sends an error message. There are many reasons you can get this error message. Some of the common reasons are:

  • The ping packet finds the destination network but failed to find the destination host
  • Packet Routing issue on Remote gateway
  • Destination host might be down
  • Connection issues

If you are facing the “Destination Host Unreachable” error and don’t know what to do then read this article. Here I have elaborated on how you can easily solve this problem.

How to Fix “Destination Host Unreachable” Error

There are a few solutions available to this problem. They are simple and you don’t have to be a professional to try them out. However, you have to follow the steps accordingly to avoid further problems. Let’s check them out.

Method 1 – Flush the ARP Cache

This is the first step you should take if you run into this error. You can solve this error by deleting all entries in the ARP table on your computer. Now follow these steps:

  • First, go to the Search bar of your computer and type cmd
  • From the search result select Command Prompt and right-click on it
  • Now from the available options click on the “Run as Administrator” option
  • Now type the following command and press enter button from your keyboard
    • netsh interface ip delete arpcache
  • Then try to ping the same IP address again and check if the error has resolved or not

Method 2 – Run a Traceroute

  • First, go to the Search bar of your computer and type cmd
  • From the search result select Command Prompt and right-click on it
  • Now from the available options click on the “Run as Administrator” option
  • Now type the following command and press enter button from your keyboard
    • tracert 192.168.225.45
  • Finally, check the message to understand the reason for the “Destination Host Unreachable” error

Method 3 – Disable the Firewall on your PC

  • First, go to the Search bar of your computer and type Control Panel
  • From the search result select Control Panel and open it on your computer
  • Now from the available options select System and Security
  • Then choose the Windows Firewall
  • From the left side of the screen click on the “Turn Windows Firewall On or Off”
  • Now select the “Turn off Windows Firewall (not recommended)”
  • Finally, select OK to save the changes

Method 4: Disable ReAgentc.exe

  • First, go to the search bar of your computer and type Command Prompt in the search bar
  • Now from the available result right-click on the Command Prompt and select the Run as administrator option
  • Once the Command prompt window opens type reagentc /disable and press enter
  • Then re-enable the ReAgentc.exe process by typing in reagentc /enable and press enter
  • Once the process is completed close the Command Prompt and restarts your computer
  • Now try to reseat the computer and see if the problem is solved

Method 5: Run the Troubleshooter

  • First, press the Windows + R button together to open the Run dialog box
  • Now type “Control Panel” in the Run dialog box and hit Enter
  • Then locate the “Troubleshooting” from the available options and click on it
  • After that click on the Network and Internet
  • Now from the Sound category, click on the “Internet Connection”
  • Then click the Next button and wait for Windows to detect possible issues and solve them automatically

How to Add the Correct Gateway Address for a Destination a Host

  • First, go to the settings of your computer and then select Network and Internet
  • Now from the available options click on the Network Connections
  • Select the relevant Local Area Network and right-click on it
  • From the available options select Properties
  • Now select Internet Protocol Version 6 (TCP/IPv6) and go to the Properties option 
  • Then change the Default Gateway to the correct address
  • Finally, click on the OK button to save the change

Final Thought

I hope the above information helps you solved the “Destination Host Unreachable” error. If you are still facing the same error, then feel free to ask any questions in the comment section. Our experts will provide you with the right solutions.

Thomas C. Bell

Leave a Reply

Your email address will not be published. Required fields are marked *