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How to solve DNS and nslookup failures with VirtualBox bridged networkin.

How to solve DNS and nslookup failures with VirtualBox bridged networking

Are you struggling with DNS resolution issues or nslookup failures while using bridged networking in VirtualBox? This comprehensive guide shows you how to fix VirtualBox networking problems, resolve DNS lookup errors, and get your virtual machine internet connection working smoothly again. Whether you are facing "Temporary failure in name resolution," "No servers could be reached," or VirtualBox bridged adapter no internet issues, we walk you through troubleshooting steps, including configuring static DNS, flushing DNS cache, adjusting adapter settings, and modifying resolv.conf or netplan configurations. This step-by-step solution helps you fix connectivity problems for Windows, Linux, and macOS guests, ensuring your VM can communicate with the external network and resolve domain names correctly.

In This Video We Will See How to Solve DNS and nslookup failures with VirtualBox bridged networking

Here Are The Steps to Solve DNS and nslookup failures with VirtualBox bridged networking

Method 1

1. Open VirtualBox Manager
2. Select your Virtual Machine and click Settings
3. Navigate to the Network tab
4. Ensure Attached to is set to Bridged Adapter
5. Click Advanced and change Adapter Type to Intel PRO/1000 MT Desktop
6. Change Promiscuous Mode to Allow All
7. Click OK and start your VM
8. Done!

Method 2

1. Boot into your Guest OS (Linux/Ubuntu)
2. Open the Terminal
3. Type: sudo nano /etc/resolv.conf
4. Add the following lines: nameserver 8.8.8.8 and nameserver 8.8.4.4
5. Press Ctrl + O to save and Ctrl + X to exit
6. Test connection with: nslookup https://www.google.com/search?q=googl...
7. Done!

Method 3

1. Open Control Panel in your Guest OS (Windows)
2. Click Network and Sharing Center
3. Click Change adapter settings
4. Right-click your Ethernet adapter and select Properties
5. Select Internet Protocol Version 4 (TCP/IPv4) and click Properties
6. Select Use the following DNS server addresses
7. Enter 8.8.8.8 as Preferred and 8.8.4.4 as Alternate
8. Click OK and Restart your VM
9. Done!

Method 4

1. Open Command Prompt or Terminal on your Host Machine
2. For Windows, type: ipconfig /flushdns
3. For Linux, type: sudo systemd-resolve --flush-caches
4. Restart the VirtualBox DHCP service or restart the application
5. Re-check the Bridged Adapter selection to ensure it is pointing to the active WiFi or Ethernet card
6. Done!

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