Remove AD mapping from user property in SharePoint 2010 using PowerShell

[xml]$xmlData=Get-Content "C:\Users\Desktop\ContentSources\RemoveADMapping.xml"

#----------------Create new custom User Profile section---------------------------------------------
function RemoveADMapping()
{
$site = Get-SPSite $xmlData.RemoveADMapping.SiteURL
$context = Get-SPServiceContext($site)
$upcm = New-Object Microsoft.Office.Server.UserProfiles.UserProfileConfigManager($context)
$cm = $upcm.ConnectionManager
$Deployment.UserProfileProperties.RemoveADMapping.ADProperty | ForEach-Object{
$connection = $cm[$_.ConnectionName]
if($connection -ne $null)
{
$pm = $connection.PropertyMapping[$_.Name];
if($pm -ne $null)
{
$pm.Delete();
}
else
{
Write-Host -f Yellow "AD Property" $_.Name " is not mapped to any user property"
}
}
else
{
Write-Host -f Yellow $_.ConnectionName " does not exists"
}
}}
#----------------Calling the function---------------------------------------------

RemoveADMapping

Run the Script:

1. Go to Start.

2. Click on All Programs.

3. Click on Microsoft SharePoint 2010 Products and then click on SharePoint 2010 Management Shell.

4. Run the C:\Users\Desktop\ContentSources\RemoveADMapping.ps1

And in the Central Administration you could edit and see the user property, the AD property mapping will be removed from the user property.