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Add WiFi profile by script

 Use this Powershell script to add an SSID session to your Windows WiFi settings.

Usage (in elevated command console):

C:\> Powershell -file addSSID.ps1 {SSID} {Password}

param(
    [string]$SSID,
    [string]$PSK
)
$guid = New-Guid
$HexArray = $ssid.ToCharArray() | foreach-object { [System.String]::Format("{0:X}", [System.Convert]::ToUInt32($_)) }
$HexSSID = $HexArray -join ""
@"
<?xml version="1.0"?>
<WLANProfile xmlns="http://www.microsoft.com/networking/WLAN/profile/v1">
    <name>$($SSID)</name>
    <SSIDConfig>
        <SSID>
            <hex>$($HexSSID)</hex>
            <name>$($SSID)</name>
        </SSID>
    </SSIDConfig>
   
    <connectionType>ESS</connectionType>
    <connectionMode>auto</connectionMode>
    <MSM>
        <security>
            <authEncryption>
<authentication>WPA2PSK</authentication>
                <encryption>AES</encryption>
                <useOneX>false</useOneX>
            </authEncryption>
            <sharedKey>
                <keyType>passPhrase</keyType>
                <protected>false</protected>
                <keyMaterial>$($PSK)</keyMaterial>
            </sharedKey>
        </security>
    </MSM>
    <MacRandomization xmlns="http://www.microsoft.com/networking/WLAN/profile/v3">
<enableRandomization>false</enableRandomization>
<randomizationSeed>1451755948</randomizationSeed>
    </MacRandomization>
</WLANProfile>
"@ | out-file "$($ENV:TEMP)\$guid.SSID"

netsh wlan add profile filename="$($ENV:TEMP)\$guid.SSID" user=all

remove-item "$($ENV:TEMP)\$guid.SSID" -Force

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