Find Orphan User E-mails in List Items using PowerShell
Requirement:
Our customized application for sending newsletters organizational wide, keeps its list of users to send e-mail in a SharePoint list called “Subscriptions”. Users are configured in a people picker field of the list. Now, when someone leaves the organization, their account become orphan and their E-mails also goes invalid.
So prior processing the E-mails column, we had to scan the people picker column in the list for orphaned user Emails.
PowerShell script to scan for orphaned Users from their Emails:
Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
Import-Module ActiveDirectory
$Web= Get-SPWeb "https://portal.crescent.com/News/"
$List = $Web.Lists["Subscriptions"]
$FieldName="Members"
foreach($item in $List.Items)
{
if($Item[$FieldName] -ne $null)
{
#Get People picker field values collection
$UserCollection = New-Object Microsoft.Sharepoint.SPFieldUserValueCollection($Web,$Item[$FieldName].ToString())
#Get each User from the Person or Group field
foreach($UserObj in $UserCollection)
{
#Try to get the user from AD from Email
$ADUser= Get-ADUser -Filter {mail -eq $UserObj.User.Email}
#check if user email doesn't exist in AD
if($ADUser -eq $null)
{
"https://portal.crescent.com/News/Pages/ViewUser.aspx?UserId=$($Item['ID'])" + $UserObj.User.LoginName + $UserObj.User.Email
}
}
}
}
