Connection lost on Sleep and No power management tab in NIC to change

On a surface pro 3 with Windows 8.1, I lose connections when I lock the computer. I've tried to go to the NIC adapter to change the power management option to not turn off when locked but there is no "Power Management" tab as with previous
versions of Windows.
I have multiple machines with this problem and any help will be appreciated.

Hi RepBill,
Consider the following scenario:
•You have a system that is an Always On/Always Connected (AOAC) platform.
•The system is running Windows 8.
•You install the July update rollup 2855336 (http://support.microsoft.com/kb/2855336).
•After the update is installed, you open up Device Manager.
•You open the Wireless Network adapter properties.
In this scenario, you notice that the Power Management tab is no longer available within the advanced driver properties.
This behavior is by design. For Windows 8, update rollup 2855336 implements this change for Wireless adapter miniports on AOAC platforms.
Power Management tab is not visible for some Wireless Network adapters with Always On/Always Connected (AOAC) platforms on Windows 8
http://support.microsoft.com/kb/2889143/en-us
Alex Zhao
TechNet Community Support

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Connection lost on Sleep and No power management tab in NIC to change

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