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Windows 7 Network Issues - Slow (Stopped) Downloads and other LAN issues

Posted on 2011-05-03
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Last Modified: 2012-05-11
We have a network with a SonicWall NSA 240 and about 4 managed switches.  We have a separate VLAN for the WiFi that uses the SonicWall for its router.

On our windows XP machines we do not have many issues related to the network or internet access.  On the Windows 7 x64 machines, we have seen several issues including the following:

-  Downloading files over a couple of MB in size, the download will start quick and then almost pause and get slower and slower to the point that it will basically not move

-  Some videos that are streamed from the net will never fully buffer or complete

-  Copying files from a Windows 2003 server will produce the "Destination Path Too Long" for some files with long paths (this was not an issue on the XP machines)

-  Misc local network issues


Has anyone seen similar things when adding Windows 7 x64 machines to the network?  

We have updated the network drivers and still have the same issues.

Thanks!
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Question by:AutomatedIT
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by:digitap
ID: 35517394
Are these machines on the laptops or are the strange network issues related only to workstations?
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by:digitap
ID: 35517410
As an after though, you might consider disabling SMB 2.0 on your Windows 7 devices.

http://andymyers.net/2010/07/19/office-2007-slow-on-windows-7-try-disabling-smb-2-0/
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AutomatedIT earned 0 total points
ID: 35517972
They are laptops that are plugged in with CAT V cable.
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by:digitap
ID: 35573574
It's ONLY affecting these devices? It's not affecting Windows 7 x64 workstations that don't have wireless? If this is true, then are the laptops connected to the wireless AND the wired network at the same time? I had this exact issue, but it didn't happen to ONLY Win7 x64 devices. It would happen to any laptop connected to both LAN and WLAN.

If not the case, you might consider the SMB 2.0 angle.
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by:digitap
ID: 35835565
Can you provide some more detail about what you did to resolve your issue?
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Author Closing Comment

by:AutomatedIT
ID: 35872762
The issues was related to the SonicWall settings.  Specifically the Diff Bit setting.
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by:digitap
ID: 35874218
@AutomatedIT :: Your explanation here http:#a35872762, doesn't help. I don't know where that setting is on the Sonicwall. I've also never heard of the Diff Bit setting and I can't find any reference anywhere else on Sonicwall's support site.

Your question needs to provide problem/resolution to be of benefit to others. Can you please provide more detail?



Thanks!
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