Software⏱️ 3 min read

How to Fix: Random internet connectivity issue

Random internet connectivity issue with new computer setup - unable to connect to server for some websites.

The 'Cannot connect to server' error is a generic error message that can occur when trying to access a website or service over the internet. This error typically indicates a problem with the network connection, DNS resolution, or a misconfigured firewall setting.

⚠️ Common Causes

  • Outdated or incorrect DNS settings on the client machine.
  • A misconfigured firewall setting that blocks incoming traffic to the server.
  • A problem with the network connection, such as a faulty Ethernet cable or an unstable Wi-Fi signal.

🛠️ Step-by-Step Verified Fixes

Method 1: Update DNS Settings

  1. Step 1: Open the Command Prompt or Terminal on your client machine and type `ipconfig /release` to release any existing IP addresses.
  2. Step 2: Type `ipconfig /renew` to obtain a new IP address from your ISP.

Method 2: Check Firewall Settings

  1. Step 1: Open the Control Panel on your client machine and navigate to System and Security > Windows Defender Firewall.
  2. Step 2: Click on 'Advanced settings' and then click on 'Inbound Rules'. Look for any rules that may be blocking incoming traffic to your server.

Method 3: Check Network Connection

  1. Step 1: Open the Command Prompt or Terminal on your client machine and type `ipconfig` to display your current IP address and subnet mask.
  2. Step 2: Check that your IP address is assigned by your ISP and that your subnet mask is correct. If you're using a wired connection, ensure that the Ethernet cable is securely connected to both your client machine and server.

💡 Conclusion

To resolve the 'Cannot connect to server' error, start by updating your DNS settings, checking firewall settings, and verifying your network connection. If none of these steps resolve the issue, you may need to investigate further or seek additional assistance from a qualified IT professional.

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