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CAD tip CAD tip # 6137:

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Q - question

Slow network file operations in Windows Vista?

A - answer In Windows Vista, you may encounter a problem of slow file copy (transfer) over network in Windows aplications (not only CAD) or in Windows Explorer. Try the following fix.

In a combination of some applications and some network components (esp. LAN routers) there may be a conflict with the Windows Vista network function "Receive window auto-tuning". This function can be disabled with the command (admin level required):

netsh interface tcp set global autotuninglevel=disabled
But first apply SP1 (or higher) for Windows Vista.

If this wont't help, you can get this function back on with:

netsh interface tcp set global autotuninglevel=normal  
100% Vista  CAD,HP 
16.5.2008    9300×  
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applies to: * ·

See also:
Tip 12592:How to automatically purge old backup files .BAK?
Tip 9991:Error: Key not valid for use in specified state
Tip 8303:Hanging Revit "splash screen" window - SECSplashWnd.
Tip 7944:Automatic installation of AutoCAD 2012 add-on applications.
Tip 7016:Mount disks as Windows folders.

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