NCSI Errors: Troubleshooting and Solutions

Understanding NCSI and Its Impact

The Network Connectivity Status Indicator (NCSI) is a Windows component that monitors the availability and performance of network connections. In Windows 10 and later versions, NCSI performs active probes to check connectivity and alert users of any issues.

Causes of NCSI Errors

NCSI errors can be caused by various factors, including:

• Misconfigured network settings
• Problems with the DNS server
• Issues with the browser or default apps
• Outdated drivers or software

Troubleshooting NCSI Errors

To troubleshoot NCSI errors, follow these steps:

1. Check Network Settings

Ensure that network settings are correct. Disable any VPN or proxy connections and restart the computer.

2. Verify DNS Settings

Run the following command in the command prompt (cmd): nslookup. If the output shows the correct DNS server addresses, proceed to the next step.

3. Reset Default Browsers

Go to Settings > Apps > Default apps. Under HTTP/HTTPS, click on the browser and set it as the default.

4. Update Drivers

Install the latest drivers for your network adapter and other devices.

5. Reinstall NCSI

If the above steps do not resolve the issue, you may need to reinstall NCSI. Open the command prompt as an administrator and run the following command: netsh int ip reset resetlog.txt

Conclusion

NCSI errors can be frustrating, but by following the troubleshooting steps outlined in this post, you can identify and resolve the root cause and restore network connectivity. If the problem persists, contact your network provider or consult a qualified IT professional for further assistance.