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<p>Computer on your network that has a few network mapped drives, you may have noticed that in some cases these network mapped drives may disconnect from the network itself after certain period of time of inactivity, and that a red “X” shows up on.</p>
<p><b>Reason:</b><br />These are actually misleading because if you try to access it again it reconnects automatically and the red X disappears right after. The reason why this happens is because Windows 7 system can drop the idle conections after a specified timeout period, 15 minutes by default </p>
<p><b> ;Solution: ;</b></p>
<p>Client side: involved following registry change</p>
<p>HKLMSYSTEMCurrentControlSetServicelanmanworkstationparameters</p>
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<div style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-P3ZpZKMUa-A/UoyyM13FzFI/AAAAAAAAAhc/Faglc-JGz20/s1600/fix.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="216" src="http://4.bp.blogspot.com/-P3ZpZKMUa-A/UoyyM13FzFI/AAAAAAAAAhc/Faglc-JGz20/s400/fix.jpg" width="400" /></a></div>
<p> ;If KeepConn does not exist, create it in <em>Reg_Dword,</em> and set the time in seconds.</p>
<p>Server side: Run follwing DOS command </p>
<p>net config server /autodisconnect:-1</p>
<p>Microsoft addressed this issue in following KB <br /> ;http://support.microsoft.com/kb/297684</div>

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