We are having a very strange wireless problem with a couple of models of laptops here.
We connect the laptops to the wireless network and all seems fine; we can connect to the internet, view network shares and also access our internal Exchange OWA mailboxes and Sharepoint sites.
However, after a seemingly random amount of inactivity of use, the laptop is then unable to connect to either Exchange or Sharepoint. All internet access and access to shares remains fine however. We have to repair the wireless connection to make the Exchange and Sharepoint work again, and then the process is repeated again.
The only difference with Exchange and Sharepoint is that they are behind our Forefront TMG server.
I have posted this in hardware aswell as Windows because it is only two types of wireless card that are affected. I have tried tweaking settings but to no avail.
One of the affected WLAN cards is the Broadcom 802.11g and the other is Atheros AR5007EG.
Just wondering if anyone else has had similar problems?
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