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Slow internet speeds after installing Hamachi
I've been having this issue for so long now! For some reason, my internet is blazing fast until I install Hamachi. Certain website downloads are affected but others aren't. for instance, downloading a zip file from "downloads.oneplus.com" WITHOUT Hamachi shows 3 minutes left. AFTER installing Hamachi, that same file now says 20 Minutes.... Same issue happens with Microsoft's download servers, when trying to download the Windows 10 iso, Hamachi just DESTROYS the download speed when my internet is more than capable of downloading large files quickly!
Even uninstalling Hamachi leaves the same affect, almost like there's something left in the system that causes this, registry data maybe? Any pointers?
Try this to check the status of Receive Window Auto-Tuning Level
netsh interface tcp show global
and if it is disabled, turn it on with
netsh interface tcp set global autotuninglevel=normal
This helped me and two mates. The settings need to be run with admin rights cmd (and shift+ctrl when you run it).
As far as we understand it you would most likely want Receive-Side Scaling State enabled as well.
netsh interface tcp set global rss=enabled
We have not tested Hamachi after changing these settings. Nevertheless, just wanted to share because this problem was making us crazy.
61 Replies
I had to do a system reset. Once I did that I updated everything and made a restore point before installing Hamachi. I then installed and it did it again, slowed my bandwidth down. I then restored back to before the installation and everything was back to normal. Since I have to use hamachi for work I have it running through a VM and just do all work related stuff through the VM. This is sad that no one from Logmein has responded to this...
- Yeah... Like you said. Did last night a clean install and use radmib VPN now.
Everything is just fine now!
Thank you bro, you helped me a lot.
A repair install didn't work for windows.
So you really need to install the hole thing from the beginning - Yeah it's a real bummer! I tried to talk to support and they just tried to convince me it wasn't Hamachi doing this -.- Alright I'll just say it here lol I switched to Radmin VPN after restoring my system, never had a problem after that! www.radmin-vpn.com
- What alternative did you take?
So... I guess I have to kill my system too 😑 - So I'm not the only one! Yeah I tried EVERYTHING to get my speeds back, I finally got frustrated and reinstalled Windows on my PC, and found an alternative for Hamachi. I will never use Hamachi again because of this issue that was only fixed by a clean OS install. Not sure if I'm allowed to mention what I use now, so message me if you're curious :)
got the same problem here ... after installingy hamachi i`ve got slow downloads on HTTP and on steam, origin and so on ... uninstalling hamachi doesn`t fix it ... need some help
i`ve testet jdownloader and if i download something 10 files with 20 downloads chucks at the same time i got mei 1 gigabit speed ... but this is the only way
got the same problem here ... after installingy hamachi i`ve got slow downloads on HTTP and on steam, origin and so on ... uninstalling hamachi doesn`t fix it ... need some help
i`ve testet jdownloader and if i download something 10 files with 20 downloads chucks at the same time i got mei 1 gigabit speed ... but this is the only way
I just did a test on a Windows 10 VM and when I installed Hamachi the VM went from 200Mb/s to 60Mb/s could this be a setting somewhere or a bug?
My system specs, I meant to put this in the original post.
Windows 10 latest patches
i7 4790k @ stock
16GB DDR3
1TB NVMe drive
My internet is 200Mb/s but after installing Hamachi it falls to 60Mb/s
Before installing Hamachi my internet speeds are showing 200Mb/s. After installing it I constantly get 60Mb/s. I have uninstalled Hamachi but nothing changes, is there a setting somewhere that can resolve this?
