I had this request and created a short document on configuring windows 7 to allow AD authentication via the wireless with PEAP.
- Configure SSO on wireless profile
Click on the wireless icon in the task bar.
Right click the SSID
Click on Properties
Click the Advanced settings button
Click the Specify authentication mode checkbox
Select User authentication from the dropdown (optional depending on environment)
Click the Enable single sign on for this network checkbox
Ensure the Perform immediately before user logon radio button is selected
Click OK twice to close dialogue boxes
- Configure Group Policy
Click Start
In the search box type group policy
Press ENTER
Open the following folder:
Computer Configuration > Administrative Templates > System > Logon
Double click on the Always wait for the network at computer startup and logon setting
Click the radio button to Enabled
Click OK and Exit Local Group Policy Editor
Restart the machine, disconnect from the wired network and verify the logon process works