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Slow network with windows 7 machine.

Last response: in Windows 7
February 28, 2010 9:09:28 AM

I upgraded to windows 7 ultimate a few weeks ago (clean install) and since then when I go to access files on my file server (running vista home premium) it takes forever to pull up thumbnails of photos I have stored or any other data for that on the drive. I never had this problem when my comp was running vista home premium as opposed to windows 7 I flashed the BIOS on my mobo to the latest version and I have all windows updates. Any ideas what I can do to speed things up when accessing this drive?
February 28, 2010 2:00:20 PM

Hi JCB72,

I've got the same setup, but it seems to work fine on mine.

Have you set up shares on the server to include the re-installed machines username?

Are you using a homegroup or a workgroup? If workgroup, Is your PC in the same workgroup?

How are the machines conencted? Crossover? Ethernet via switch/router? Wireless?

Do you have IP filtering? What network setup do you have on the 7 and Vista machines?

February 28, 2010 4:57:36 PM

Give this command a shot. Run as admin

netsh interface tcp set global autotuninglevel=disabled

to turn back on

netsh interface tcp set global autotuninglevel=normal

you have to restart for settings to take affect

It helped me go from 1MB/sec to 110MB/sec. Iperf network benchmark went from 9mbits to 941mbits

results may very.
February 28, 2010 5:11:09 PM

Tatt, I have all of my network settings configured the same as before along with the correct username and password. I can access all of my mapped drives on my server (vista machine), through the windows 7 machine but I am getting lag when viewing files on the drive. If you look at the network utilization in the task manager it will go from 0% to around 25% to 0% to 25%, etc..... It constantly spikes then drop to 0, back and forth back and forth.

As for the answers to your questions:
1. Yes, shares on the server include the correct username/passwords
2. Workgroup in the same workgroup
3. Both machines have dual nics. Cat6 patch cable running from each comp to a router and a Cat6 crossover running between the 2 comps on the other nic.
4. I have no IP filtering set-up....that I know of.
5. On the the nics running to the router I have them set-up as DHCP. On the nics with a crossover cable running between the 2 I have them set-up as static. One (windows 7 machine) with with for subnet mask with default gateway, preferred DNS server and alternate DNS server left blank. Same settings for NIC 2 on the vista machine except for IP address of

Any thoughts?