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H4X0R46's avatar
H4X0R46
New Contributor
7 years ago
Solved

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 ...
  • oyvindhauge's avatar
    oyvindhauge
    6 years ago

    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.

acid78's avatar
acid78
Visitor
5 years ago
 
Hello
I installed Hamachi on both of my PCs ( both Win10).
Unfortunately I now have the problem that my upload speed is very slow.
Normally I have 50mbit upload but after installation I only have 3-5mbit upload.
The effect happened right after installation.
Nothing else was changed in the system.

What can I do ???