Slow network transfer speed

[hypeMarked]

Hi all, I am experiencing some network transfer issue in my home network that I need help on.

The problem:

File transfer from Windows Server 2008 R2 to Windows 7 Ultimate RTM - ~1.5MB/s
File transfer from Windows 7 Ultimate RTM to Windows Server 2008 R2 - ~40MB/s

I have search online and through many forums and did all of these:

1 - Disable autotunning
2 - Disable RDP
3 - Disable TCP/IP 6
4 - Enable Chimney

But none seems to work.

If anyone knows anything, please point me to the right place.

Thanks,

 

[schenley101]

how are they connected? what NIC's do they have?

 

[hypeMarked]

One is an Intel Gigabit (Server 2008) and the other is the RealTek 1 Gigabit (Windows 7) that comes with the Abit IP35. They are all connected to the HP ProCurve Switch 1400-8G. I also updated the newest driver for the Intel one. I haven't done that for the RealTek because it uses the built-in Windows 7 driver. Maybe I have to do that?

 

[Emulex]

you've got flow control disabled on both nic's?

 

[hypeMarked]

I just checked and have the latest driver for both machines. Any other suggestions?

 

[DeathRayLoveMachine]

You're running SMB on both machines? Have you tested any other protocols?

It might sound weird, but have you thought about setting up a BitTorrent transfer between the two machines? It would be interesting to see if you run into the same issues.

 

[spidey07]

What cabling are you using and is it store bought or homemade?

 

[hypeMarked]

It's homemade cat5e. But I have a cable tester and it checks out good.

 

[spidey07]

Originally posted by: hypeMarked
It's homemade cat5e. But I have a cable tester and it checks out good.

Is it a 3000 dollar plus cable certifier? If not then the cable isn't really tested. Take the home made cabling out of the picture. Also make sure all NICs and switch ports are set to autonegiate speed and duplex. Forcing the NICs to 1000/full make a duplex mismatch which along with cabling cause almost ALL performance problems.

 

[Shakeout]

I use this to check my connection speeds

http://sourceforge.net/projects/iperf/