Recently WSL2 looses communication to Windows firewall. WSL uses 172. I can't ping even google. Note: this was tested on Windows 10 Build 2004, running Inside WSL2, create or append file: /etc/wsl. For Windows 11 there was an update to WSL2 in September 2023 with (hopefully) a fix for this issue. 4. Upgrading WSL I'm using WSL2 (Ubuntu 22. When I connect to a VPN network domain name resolution doesn't work so I can't access the Internet DNS tunneling is enabled by default in WSL version 2. conf) address doesn't update, to match, and there for cannot In my case i am using wsl2 i follow below steps To permanently add nameserver 8. 144. 0 Are you using WSL 1 or WSL 2? WSL 2 WSL 1 Kernel Version Linux version 5. conf and /etc/wsl. This doesn't seem to do DNS resolution (at least it doesn't in the current insider builds), unclear if that is a bug or intentional (it is annoying). This is not a DNS issues on the WSL system. 8, which may mean that you haven't Recently, I’ve switched to using WSL2 on my Windows machine. 4-microsoft-standard-WSL2 Learn about the considerations for accessing network applications when using Windows Subsystem for Linux (WSL). local', but it still takes 10+ seconds. 0# sudo sh . 22621. By default, WSL2 appears to pick up the Windows Host IP Address as its autoconfigured DNS server. local: Name or service not known (#10077), similarity score: 0. 1500 Installed WSL2 yesterday when trying VS Code and it prompted me I was on WSL1 after starting it with code Windows Subsystem for Linux (WSL2) Override DNS Configuration It is known issue with WSL that DNS coming from the VPN network is not reflected in WSL machine. Thanks to 1 Try to ping any DNS: ping 1. Closed similar issues: WSL2 DNS stops working (#4285), similarity score: 0. GitHub Gist: instantly share code, notes, and snippets. #11220 Closed Sieboldianus opened on Feb 27, 2024 · edited by I am experiencing an issue where my WSL2 instance cannot access the internet on Windows 11, despite the host machine having full internet connectivity. 1 ``` Not only WSL2 is affected by DNS resolver problem. DNS If they're inbound rules, my first guess is that these are created by WSL2 for a local DNS server used on things like localhost resolution to the ip address of the DNS tunneling is enabled by default in WSL version 2. md I´m using WSL2 on Windows with Ubuntu, I had problems with PIP, it gave me DNS problems, so I modified the file /ect/resolve. conf” are Running WSL2 on Windows11. 22. wslconfig with the content below, View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and Windows Subsystem for Linux 2 (WSL2) has revolutionized how developers and Linux enthusiasts run Linux distributions (like Ubuntu or Debian) directly on Windows 10. DNS in WSL2 works. build any docker image open a web page in any windows browser (chrome, firefox or edge), dns is not working anymore and i receive this message dns randomly I have a DNS issue after updating from WSL1 to WSL2. This is how you disable it. 04. Since then, WSL2 has been unable to DNS resolution broken in WSL1, even with resolv. 1 etc and I can't use the corporate DNS server IP as I want a solution that will work when I go home as DNS lookup not working in WSL2 even after setting wsl. 82 wsl2 DNS failure (#8474), similarity score: 0. conf and resolv. This may happen due I'm using wsl2 on Windows 11, and I recently encountered a problem where when I change networks, the wsl2 dns (nameserver at resolve. conf Put the following lines in the file in order to ensure the your DNS changes do not get blown away echo "[network]" | I have WSL Version 2 running on my Windows 10 Laptop. 0. 0 Are you using WSL 1 or WSL 2? WSL 2 WSL 1 Kernel Version 5. 74 DNS resolver sets I have checked in a fix that will address some of the VPN DNS resolving issues, including yours. The only address that I am able to reach is the loopback address. 521] WSL Version WSL 2 WSL 1 Kernel Version 5. 4946] WSL Version 2. 102. com. When I start WSL, I'm not able to do a DNS request. 26100. 10. Install dns server software dnsmasq Firstly, install the I'm running a WSL2, Ubuntu 22, within Windows 10. Will the recent added dns tunneling feature resolve the issue of needing to switch between public DNS and corporate DNS? I thought that's what it is for, but the One-liner Shell script to setup your WSL to use Google DNS. Symptoms include: DNS resolution failing with Temporary failure in name resolution DNS Even Chrome knows to test DNS availability 1st according to "DNS PROBE ERROR" appears in the case of connectivity issues. conf override. 1 and later, meaning that if you're still seeing DNS resolution issues, the first and most This issue is here to merge DNS related issues in WSL2. 1 as its DNS server and gateway. Experiencing DNS issues in your Windows Subsystem for Linux 2 (WSL2) setup? Look no further! In this comprehensive tutorial, we'll guide you step-by-step on Good morning, We've had a few reports from some of our technical users who use Windows Subsystem for Linux (WSL2) where after they installed the July 2022 cumulative update for Windows 10 21H2 From further up this thread, lots of reports about firewall issues, so I can report that DNS (1) fails, but then if I disable the Windows Firewall, DNS (1) works again. DNS tunneling is relatively new (from Windows WSL2 has network issues which block DNS and localhost port access when Windows 10 Fast Start-Up is enabled. 04) and Windows 11 Education 24H2. 04 installed inside wsl2. ), then the workaround is usually to have the DNS WSL networking broken again? I spent 8 hours fixing connection issues so you don't have to. 8. 167. - epomatti/wsl2-dns-fix-config Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the This issue is now fixed robustly with DNS tunneling, which preserves dynamic DNS behavior and avoids limitations like WSL’s former hard cap of 3 DNS servers in /etc/resolv. Open similar issues: Wsl2 ping didn't work as well as cannot install any packages (dns resolution problem) (#8621), similarity score: 0. DNS tunneling is enabled by default in WSL version 2. This comprehensive guide includes step-by-step instructions and troubleshooting This guide will help overcome the DNS issues present in WSL 2 while still making the Windows host IP autogenerated by WSL available for use. conf, now it has 172. Before the change my WSL2 had 10. ping to external websites from WSL2 fails with Windows Version Windows11 22H2 22621. This isn’t that big of an issue for me, however, since I WSL2 - DNS Issues (Temporary failure in name resolution) with VMWare workstation pro installed #8390 Closed zhizhang77 opened on May 8, 2022 l. 31. I've checked my BIOS settings, and virtualization is enabled. I'm using the WSL distribution Ubuntu-20. 13. When I nslookup without connecting to VPN, I get the following results (note that all answers are different IP addresses for the FQDN There are two parts to resolving the issue: In the comments, you confirmed that you also can't ping 8. Learn to fix WSL2 DNS resolution issues where CLI works but browsers fail, especially on corporate VPNs. 82 WSL2 DNS stops working (#4285), similarity score: 0. com). Here are three simple steps to get your WSL up and running again: 1. Troubleshoot and regain internet access! Lately I had the same dns problem within wsl2 that got resolved from manually editing /etc/resolv. 32. It works quite well and has a ton of performance improvements over WSL, but there’s a major annoyance with the way DNS DNS tunneling is enabled by default in WSL version 2. conf to prevent wsl2 from overwriting it at I have a fresh installation of Windows 11 with ubuntu 20. /run. 254 as the nameserver in the resolv. 255. The issue arises because the automatic DNS configuration in WSL2 does How to fix DNS lookup for WSL2 Ubuntu distro? Ask Question Asked 3 years, 7 months ago Modified 3 years, 7 months ago Fix DNS resolution in WSL2. However, that question does NOT answer my question, which is why name resolution works for DNS tunneling is enabled by default in WSL version 2. This That will verify you are getting out to the outside network. 1 Distro Version EDIT: This question was closed as a duplicate of this question: WSL2: can ping by FQDN but not by host. 75 WSL DNS resolution is really slow (#6365), similarity score: 0. 1 and later, meaning that if you're still seeing DNS resolution issues, the first and most effective fix is simply to upgrade WSL. After installing libnss-mdns, I was able to resolve 'pc-name. conf , after this I was able to use PIP, but still I have problems with My workplace block the port DNS uses so I can't use 1. conf There’s also this bug report on GitHub. 1. 04 as of 8/12/2025 seems to not have libnss-mdns installed by default. 81 Can't connect to local DNS tunneling is enabled by default in WSL version 2. 1 and later, meaning that if you're still seeing DNS resolution issues, the first and most effective fix is simply Freshly installed WSL2/Ubuntu-24. However, one common frustration DNS tunneling is enabled by default in WSL version 2. 1 If you got timeout - it's not a DNS but an internet connectivity issue (your adapter has no internet access). Create a file %UserProfile%\. 0# wsl --shutdown How to Fix WSL DNS Not Working WSL DNS not working can be a frustrating problem, but it's usually easy to fix. conf (#10978), similarity score: 0. 8 (Google's public DNS) in WSL (Windows Subsystem for Linux), you . 2. When I try to perform an update sudo apt update or even ping google. (Pinging an I'm running a WSL2, Ubuntu 22, within Windows 10. 123. “/etc/resolv. Google shows a long list of WSL2 and Virtual Networking WSL2 uses a virtual network that’s separate from the Windows network, and when Warp is connected, the WSL2 network might not automatically inherit the DNS settings. For example, in my WSL2 Ubuntu environment I need to use a specific DNS server for an internal domain and a public DNS for everything else. Web-pages are get open with Hello, my WSL2 has been functioning normally on my device until a Windows update approximately two weeks ago. View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help Work laptop using Win10 18363. VPN users beware! There are known DNS leak issues with WSL2 (documented here ) that could compromise the privacy of your web traffic. This script is designed to fix DNS resolution issues in WSL2 when using the Cisco AnyConnect VPN client in a full tunnel setup. Currently for DNS resolving we update /etc/resolv. 1 and later, meaning that if you're still seeing DNS resolution issues, the first and most effective fix is simply WSL networking stopped working when upgrading from WSL 1 to WSL 2? Connecting to any host not working? Still getting “Temporary failure in name Last active last year Star 3 3 Fork 0 0 This is how I fixed my DNS issues in WSL and Docker Desktop for Windows Raw wsl-dns. 73 WSL stopped working after latest Version Microsoft Windows [Version 10. On a fresh WSL This guide will help overcome the DNS issues present in WSL 2 while still making the Windows host IP autogenerated by WSL available for use. If it works with -d but fails to resolve the IP's to names when run without the -d then a quick fix would be to If you have found that your WSL2 DNS no longer works when connected to a VPN (such as AnyConnect etc. Here is what I've tried: I created the /etc/ws View similar issues Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help This issue is now fixed robustly with DNS tunneling, which preserves dynamic DNS behavior and avoids limitations like WSL’s former hard cap of 3 DNS servers in /etc/resolv. com I get DNS tunneling is enabled by default in WSL version 2. conf from the I've been trying to setup a local DNS server within WSL2. When I nslookup without connecting to VPN, I get the following results (note that all answers are different IP addresses for the FQDN google. Note: this was tested on Windows 10 Build 2004, running I just installed a dnsmasq inside wsl2, and bind the windows' dns to its address, and I just found that the nslookup is working well but ping and curl is not working. sh root@DRM:/etc/DRM/wsl2-dns-fix-config-1. Firewall or Security Software: Windows More information following comments on my questions: Local Host Forwarding was enabled by default in the WSL settings Since I can ping external websites without any issue from my WSL, I believe my Conclusion Loss of internet access in WSL2 after upgrading from WSL1 is typically caused by misconfigured networking, DNS issues, or firewall rules. 15. Learn how to effortlessly resolve DNS issues on Windows WSL2 uses a virtual network that’s separate from the Windows network, and when Warp is connected, the WSL2 network might not automatically inherit the DNS settings. conf. conf: # [network] # generateResolvConf = false nameserver 172. Learn how to effortlessly resolve DNS issues on Windows Subsystem for Linux (WSL) in this quick and effective troubleshooting guide. 17. Hyper-V is turned on, and I've tried HOSTNAME. This can be seen by inspecting the contents of /etc/resolv. For example $ cat /etc/resolv. DNS Resolution Issues: WSL2 might be unable to resolve DNS queries due to misconfigured DNS settings, leading to "unable to resolve host address" errors. This issue is now fixed robustly with DNS tunneling, which preserves dynamic DNS behavior and avoids limitations like WSL’s former hard cap of 3 DNS servers in /etc/resolv. 73 No name resolution in WSL2 even with custom Fix DNS resolution in WSL2. I have turned on mirrored networking mode, and on Windows I've set my own IP address as the DNS server, since with mirrored networking my An agent that automatically patches your WSL2 DNS configuration when using Cisco AnyConnect (or similar VPNs that block split-tunneling). 1-microsoft-standard-WSL2 Distro Version Ubuntu root@DRM:/etc/DRM/wsl2-dns-fix-config-1. Windows Version Microsoft Windows [Version 10. 2359 WSL Version 2. By following the steps above—verifying Closed similar issues: WSL 2 DNS not working (#4855), similarity score: 0. Complete solutions for port forwarding, DNS, and more. 75 wsl2 DNS failure (#8474), similarity score: 0. 84 WSL2 - No internet Learn how to fix the 'wsl2 temporary failure in name resolution' error in Windows 11. Check your What changed: DNS tunneling and mirrored networking Microsoft added two complementary capabilities intended to address the above problems.

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