Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh wlan refresh hostednetwork ?
Usage: refresh hostednetwork [data=]key
Parameters:
Tag Value
data Specifies the hosted network data to refresh.
Remarks:
This command requests the WLAN service to use a new security key for
the hosted network.
Examples:
refresh hostednetwork key