Sorry I forgot to mention that this is exactly what I was doing in 
windows just unplug and plug the adapter and the network comes back but I 
experienced it stopps again and this is what I mean it stops periodically. 
I will investigate more.

  Thank you, Rachid

On Thu, 13 Jan 2011, Mark Stodola wrote:

> This could be a simple matter of firmware for the USB wireless adapters. 
> Have you tried removing the USB adapters for a few seconds after linux has 
> been shutdown, then booting windows?  You could also unplug them while 
> windows is running and then replug to load windows' copy of the firmware. 
> I've had adapters that refuse to work between the 2 OSes because of 
> mismatched driver/firmware combinations without removing power from the 
> adapter.  I imagine there is some flag or device ID change that occurs once 
> the firmware is properly loaded, causing subsequent loads to be ignored. 
> I've seen this with JTAG programmers as well.  You may be experiencing this, 
> only in a more subtle manner.
>
> -Mark
>
> Rachid Ayad wrote:
>>  Sorry i forgot to say even when only windows is running the network is 
>> also stopping priodically. Before installing linux as double boot I 
>> shrinked the NTFS parttion to free space for linux so ....
>> The wireless source is in a linux box running linux enterprize.
>>
>>  Thank you, Rachid
>> 
>> 
>> On Thu, 13 Jan 2011, Rachid Ayad wrote:
>> 
>>> Justly I just arrived at a Lab that has many wondows boxes and I need 
>>> linux for my work so I installed SL Linux 5.5 as double boot with VISTA 
>>> and in all machines with double boot windows-linux the network is lost 
>>> periodically. All the PCs have USB wireless probe. I am new in the Lab but 
>>> at the time I am writing this email i did not check yet the wrieless 
>>> source.
>>> 
>>> Thank you, rachid.
>>> 
>>> 
>>> On Thu, 13 Jan 2011, Francesco Alfano wrote:
>>> 
>>>> Hello,
>>>> I have a problem with the (exported) sharing of network resources.
>>>> Initially i've used a sever with RedHat 7.3 kernel 2.4 now i've installed 
>>>> Scientific Linux 5.5 with kernel 2.6.18-194.32.1.el5PAE with Samba 
>>>> version 3.0.33-3.29.el5_5.1.
>>>> The problem is that I lose the network connection periodically, about 10 
>>>> minutes!
>>>> 
>>>> I initially thought the problem was caused by a misconfiguration of samba 
>>>> version of sl, that I installed on a client machine with windows 2000 the 
>>>> "Microsoft Windows for Unix" in order to use nfs connection exported from 
>>>> linux server, but the problema arise equally.
>>>> 
>>>> It's a serious problem for me because the disconnection of a mapped drive 
>>>> on w2k (connected via smb or nfs) is causing the crash of a basic 
>>>> application that tries to detect the presence every second of a new file 
>>>> in shared resource.
>>>> 
>>>> This problem was not present with the older version of linux !!!
>>>> 
>>>> 
>>>> Thanks in advance for your help.
>>>> 
>>>> -- 
>>>> -- 
>>>> Best Regards
>>>> Francesco Alfano
>>>> 
>>> 
>
>
> -- 
> Mr. Mark V. Stodola
> Digital Systems Engineer
>
> National Electrostatics Corp.
> P.O. Box 620310
> Middleton, WI 53562-0310 USA
> Phone: (608) 831-7600
> Fax: (608) 831-9591
>