Windows 10 IoT Persistent Wi-Fi

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  • #106180
    Diginerd
    Keymaster
    • Total Post: 40
    • Jedi Master
    • ★★★★★★★

    It appears that an MS hotfix applied to the Nov 19 RS1 and the RS5 builds break the UWF wireless exceptions we previously used. Below is a potential workaround.

    The root cause appears to be an MS update that prevents the creation of the C:\ProgramData\Microsoft\wlansvc\Profiles\Interfaces folder while the write filter is on.  The workaround is to create this folder while UWF is off.  The following steps/commands can be used to create the required folder and add the UWF exclusions for keeping Wi-Fi settings with UWF enabled:

    • Install WDA 14.3.0.66 via Wyse Management Suite (WMS) or locally in Admin Mode
    • Login as Admin on device
    • Open Command Prompt with Administrator rights
      md “C:\ProgramData\Microsoft\wlansvc\Profiles\Interfaces”
    • uwfmgr.exe filter enable
    • uwfmgr.exe registry add-exclusion “HKLM\SOFTWARE\Policies\Microsoft\Windows\Wireless\GPTWirelessPolicy”
    • uwfmgr.exe registry add-exclusion “HKLM\SOFTWARE\Microsoft\wlansvc”
    • uwfmgr.exe registry add-exclusion “HKLM\SYSTEM\CurrentControlSet\services\Wlansvc”
    • uwfmgr.exe registry add-exclusion “HKLM\SYSTEM\CurrentControlSet\services\WwanSvc”
    • uwfmgr.exe file add-exclusion “C:\Windows\wlansvc\Policies”
    • uwfmgr.exe file add-exclusion “C:\ProgramData\Microsoft\wlansvc\Profiles\Interfaces”
    • uwfmgr.exe filter disable
    • Close Command Prompt, then click Green Icon to enable unified Write Filter, doing so will reboot the system.
    • Login as USER if the device doesn’t log in automatically.
    • With ethernet cable disconnected, click on Wireless service in taskbar tray and add network.
    • To test the persistence of connecting reboot device.
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