Laptops connected to a Radius or Authenticated Wireless System Loses its Wireless Connection on Resume from Sleep
Consider the following scenario:
This issue may be caused by a timing or compatibility issue between some wireless network adapters with their corresponding drivers, and some wireless access points.
There are two potential resolutions for this problem. One or both may need to be applied.
Resolution 1 - Ensure you are using an Up to Date Wireless Driver
This problem has been seen on Intel AC 7260 Wireless cards using driver 17.10.xx and older.
To resolve this issue, upgrade to driver 17.13.11 or newer for the Intel 7260 range:
Resolution 2 - Disable the Fast Reconnect Feature
Instructions for Windows 7:
Reminder: This problem and solution does not apply to most home networks which are using simple WPA/TKIP or WPA2/AES encryption and basic authentication. This problem and solution only applies to RADIUS or similar enterprise authentication systems.