Pulls the current user's Compatibility Mode settings from the registry and creates a Group Policy Registry Preference XML string for pasting into Group Policy Manager.

Get-CurrentUserCompatibilityModeSettingForGPP.ps1

<#PSScriptInfo

.VERSION 2018.10.02.1248

.GUID 75bfca34-ff9c-4cac-beab-51a685d42c44

.AUTHOR Shannon Brooks

.COMPANYNAME Brooksworks

.COPYRIGHT Shannon Brooks (c) 2018

.PROJECTURI https://gist.github.com/realslacker/b4b4b2c8400d16ce58f985cf7f3b1264

#>

<# 

.DESCRIPTION 
 Pulls the current user's Compatibility Mode settings from the registry and creates a Group Policy Registry Preference XML string for pasting into Group Policy Manager. 

#> 
Param()

# Get current CompatibilityMode settings
$UserFilter = Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Internet Explorer\BrowserEmulation\ClearableListData' -Name 'UserFilter' | Select-Object -ExpandProperty UserFilter

# Convert to HEX string
$UserFilter = ( $UserFilter | ForEach-Object { '{0:x2}' -f $_ } ) -join ''

# Create the XML for pasting into Group Policy Editor
$GroupPolicyXML = @"
<Registry clsid="{9CD4B2F4-923D-47f5-A062-E897DD1DAD50}" name="UserFilter" status="UserFilter" image="17" changed="$(Get-Date -Format 'yyyy-MM-dd HH:mm:ss')" uid="{9AB3BBC3-6921-4C54-A137-0D10C12D196F}"><Properties action="U" displayDecimal="0" default="0" hive="HKEY_CURRENT_USER" key="Software\Microsoft\Internet Explorer\BrowserEmulation\ClearableListData" name="UserFilter" type="REG_BINARY" value="$UserFilter"/></Registry>
"@

# Put the XML into the clipboard
$GroupPolicyXML | Set-Clipboard

# Display a message
Write-Information "The current user's Compatibility Mode settings have been converted to an XML string and set in the clipboard for pasting into a Group Policy Registry Preference." -InformationAction Continue