import-module activedirectory
Add-PSSnapin Microsoft.SharePoint.PowerShell -EA SilentlyContinue
$strOwnerName = $null
$strGroupName = $null
$newItem = $null
$list = $null
$list_2 = $null
$allmembers = @()
"Active Directory Module Initiated"


$url = "http://myservername/Lists/SP_List_AD_Names/"

$totalCount = 0

#create the new Sharepoint Object we are working with
$site = New-Object Microsoft.SharePoint.SPSite($url)

#open it
$web = $site.OpenWeb()

#defines the list we are looking to to retrieve the names of AD Groups from
$list = $web.Lists["SP_List_AD_Names"]

# Reach into first list and grab the group names
foreach ($listItem in $list.Items)
{
$strGroupName = $listItem.Name
"Group is named: " + $strGroupName
foreach ($groupname in $strGroupName)
    {
    $strGroupOwner = Get-ADGroup -identity $groupname -Properties ManagedBy | select managedby
    $strOwnerName = get-aduser -identity $strGroupOwner.managedby -properties samaccountname |select -ExpandProperty samaccountname
    "Group is owned by: " + $strOwnerName

    #reach out to AD, per group name, and return each user found in said group

        ForEach($Person in (Get-ADGroupMember $strGroupName -Recursive)){
        $totalcount ++
        $User = Get-ADUser $Person -Property description
        $AllMembers = New-Object PSObject -Property @{

            Name = $Person.Name
            Description = $User.Description
            NetworkID = $Person.SamAccountName
            Nested = $Null
            Group = $strGroupName
            Owner = $strOwnerName
                                                       }

    #begin the second half of the process now that we have the users, they need to be fed into Sharepoint
    $url_2 = "http://myservername/"
    #create the second site object in Powershell
    $site_2 = New-Object Microsoft.SharePoint.SPSite($Url_2)
    #open it
    $web_2 = $site_2.OpenWeb()
    #define the second list which we will be adding information to
    $list_2 = $Web_2.Lists["SP_LIST_GROUP_MEMBERS"]

    #stick each person into our SP_LIST_GROUP_MEMBERS
    foreach($person in $AllMembers)
    {


            $newItem = $list_2.items.Add()


            $newItem["Title"] = $person."Name"

            "Persons name : " + $person."Name"

            $newItem["Description"] = $person."Description"



            $newItem["NetworkID"] = $person."NetworkID"


            $newItem["Nested"] = $person."Nested"


            $newItem["Group"] = $person."Group"


            $newItem["Owner"] = $person."Owner"


        # Commit the update, then loop again until end of file

        $newItem.Update()


    }
                                                       }
    }
}

    #display total iterations
    $totalcount