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Hi everyone new to this forum, i have a home network with two desktops and a laptop connected wireless,but have a problem with one desktop, running vista 32 ,when i log on the pc runs slow and does not respond ,when i check the task manager the networking utilization in the networking section is up and down between 30 and 99% if i un plug the network adapter and plug it in again everything is fine and all works at speed checked and the drivers are up to date for the adapter this happens every time i boot up has anyone got any suggestions would be most appraciated
How to fix Vista's network bottlenecks
The problem with Vista's new-fangled network stack
All this automatic tuning of the Vista network stack sounds great in theory
But the problem is that some clients don’t support TCP window scaling
Or don’t have it enabled.
Additionally, some firewall products also don’t support it.
If using McAffee uninstall and turn off IPV6
In either scenario, the result is dropped packets, which affects network performance horrendously
Your traffic is literally dropping into a black hole, never to be seen again.
Try this open up an Administrative Command Window
Right-click-Run as Administrator and type in the following command:
netsh interface tcp set global autotuninglevel=disabled
You may also need to type in:
netsh interface tcp set global rss=disabled
The changes take effect straight away, with no reboot needed.
You can also check this site
Hi guys thanks for the info,when i try to disable the auto tuning level and the global rss i get a message saying that it had failed at ipv4 and the operation requires elevation !! which doesnt mean much to me!sorry for the lack of knowledge but does it mean anything to you guys? cheers
Did you uninstall IPv6???
Windows Vista contains both the familiar IPv4 stack and the new IPv6 stack.
IPv6, when it's rolled out across the Internet over the next few years, will bring an end to the problem of running out of IP addresses and improve other aspects of TCP/IP operation.
However you do not need IPv6 at present time.
You need to uninstall it, click Start, click Run, type CMD, and hit Enter.
At the prompt type ipv6 uninstall, then hit Enter.
A reboot will be required for the changes to take affect
thanks ambra4 i googled and i found out i had to run it as aministator when i did this i was able to disable the above,however after this in the task manager things were as before but after a while (browsing the internet) i checked the task manager and everything had droped down ie cpu usagedown to 7% and network utilization to 2% i am going to reboot and see what happens, do i still need to unistall ipv6?
i have rebooted and everything is high usage again,tried to uninstall ipv6 and message saying not recognised as internal or external file,does this mean it is not installed?
#does this mean it is not installed?#
Yes, so no need to worry about it
Glad to hear all back to normal
Right click the "Command Prompt" icon under Accessories and select "Run as Administrator".
Then try disabling the auto tune level.
I got a question. I have been trying to connect an XP to an ADSL router at home, but failed at all attempts to connect to the Internet.
Below are the methods that I have used:
1. I have used DHCP to automatically get IP address, but can not get any IP address through this method.
2. I have used a known-working fixed IP address and known server address, so it is now connected to the network, but it only sends packets but receives NO reply. In fact, it fails to ping the server.
The network adaptor is “Microsoft Loopback Adaptor”. This adaptor is typically used for VPN, but can it be used to connect to the home network?
Perhaps it can not?? So I have uninstalled it from the machine. However, upon reboot, no other network adaptor has been found, and no connection has been automatically set up.
I have tried all sorts of things, but no luck. Any advice?
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