Adds all users in the UPA to a given site collection. Handy for pre-populating a User Information List

PopulateUserInformationList.ps1

[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Office.Server")
[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Office.Server.UserProfiles")
[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint")

# Enter your SharePoint site URL here...
$site = new-object Microsoft.SharePoint.SPSite("http://intranet");
$web = Get-SPWeb "http://intranet";
 
$ServiceContext = [Microsoft.SharePoint.SPServiceContext]::GetContext($site);
 
$ProfileManager = new-object Microsoft.Office.Server.UserProfiles.UserProfileManager($ServiceContext)
 
$AllProfiles = $ProfileManager.GetEnumerator()
 
$allProfileCounter = 0;
$usrProfileCounter = 0;

foreach($profile in $AllProfiles)
{
  $allProfileCounter = $allProfileCounter + 1;
 
	$DisplayName = $profile.DisplayName
 
	$AccountName = $profile[[Microsoft.Office.Server.UserProfiles.PropertyConstants]::AccountName].Value 

	$shortAccountName = $AccountName.Substring($AccountName.IndexOf("\") + 1);
	$web.EnsureUser($AccountName);	
	write-host "Added $DisplayName ($shortAccountName) to site";
	$usrProfileCounter = $usrProfileCounter + 1;
}

write-host "Found $usrProfileCounter users out of $allProfileCounter profiles";

write-host "Finished."
 
$site.Dispose()