If a DNS related error prevents you from connecting to the Internet, you don’t have to worry. DNS_PROBE_FINISHED_BAD_CONFIG is clearly related to DNS. When the DNS server is unresponsive, or the Internet connection isn’t working properly, this error is displayed. To be able to access websites again, follow the instructions below.

The first thing you should do is to restart your router. This is so simple, yet effective. And that’s it, there are no additional steps. Restart the router, wait for a couple of minutes and then check if the problem has been resolved.

If this doesn’t help, consider the following two procedures:

  • Release and Renew the IP Address
  • Change DNS Server Settings

Procedure #1: Release and Renew the IP Address

DNS data is stored in the cache by Windows and other operating systems. Thus, you can quickly access the website you already visited. However, if the website’s IP address has changed, you won’t be able to access the site and the DNS related error will occur. Try flushing the DNS cache and renewing the IP address. That should do it.

Here is how:

1. Press “Win+R” on your keyboard simultaneously to invoke the run box.

2. Type “cmd” and click on the “OK” button. This will open Command Prompt.

3. Type “ipconfig/release” and press Enter.


4. Type “ipconfig/flushdns” next and press Enter again.


5. Type “ipconfig/renew” and press Enter one more time.


See if the problem has been resolved.

Procedure #2: Change DNS Server Settings

If you haven’t solved the issue with the first procedure, try to change the DNS server. Your internet service provider (ISP) will assign you a DNS server automatically every time you connect to the Internet. When the DNS_PROBE_FINISHED_BAD_CONFIG error occurs, that means that your current DNS server is experiencing some problems. Changing the DNS server to an alternative, available DNS server could help. Google search can help you find free DNS servers. Google’s public DNS server is highly-recommended, as it is stable and safe.

To change the DNS server, do this:

1.  Press “Win+R” on your keyboard simultaneously to invoke the run box

2. Type “control panel” and click on the “OK” button

3. Set “View by:” to “Small icons” and click on the “Network and Sharing Center”

4. Click “Change adapter settings” in the left pane

Netword Adapter Settings

5. Find the problematic network and right-click on it, and then select “Properties”

Network Adapter Properties

6. In the “Networking” tab, highlight “Internet Protocol Version 4 (TCP/IPv4)” and click on the “Properties” button

TCP i4 Settings

7. Set the DNS server to another available server under “Use the following DNS server addresses”. The recommended DNS server will be Google’s public server: and The first DNS server can be set as your preferred DNS server and the second one as your alternative DNS server.

DNS Server

8.  See if the problem has been resolved.

If you still can’t access the Internet, try using these DNS server addresses below:

Preferred DNS server:
Alternative DNS server:



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