SharePoint 2013 Repopulating newsfeed cache script

$proxy  = Get-SPServiceApplicationProxy | ? {$_.Name -ilike "User Profile Service Application*"}
Update-SPRepopulateMicroblogLMTCache -ProfileServiceApplicationProxy $proxy

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

$url = "http://mysiteurl.domain.com"
$contextWeb = New-Object Microsoft.SharePoint.SPSite($url);
$ServerContext = [Microsoft.Office.Server.ServerContext]::GetContext($contextWeb);

$UserProfileManager = New-Object Microsoft.Office.Server.UserProfiles.UserProfileManager($ServerContext);

$Profiles = $UserProfileManager.GetEnumerator();

foreach ($oUser in $Profiles ) {
    if ($oUser.item("SPS-PersonalSiteCapabilities").Value -eq 14 ){
        $personalurl = $url + $oUser.item("personalspace").Value
        Write-Host $oUser.item("AccountName").Value
        Update-SPRepopulateMicroblogFeedCache -ProfileServiceApplicationProxy $proxy -accountname $oUser.item("AccountName").Value
        #-siteurl $personalurl
    }
}

$contextWeb.Dispose()