Powershell error adding to an array

Question

Hi I am trying to run a script to get users in a network into an array so that it can be outputted to a csv file along with other data that I am going to get, such as distribution groups.

The code script I am running is giving an error:

Method invocation failed because [System.Management.Automation.PSObject] doesn't contain a method named 'op_Addition'.

The script is a simple for loop:

$ActiveDirectoryList=@() 
$UserDetails = get-aduser -filter {enabled -eq $true} -properties * | Select DisplayName,EmailAddress, SAMAccountName
$counter = 0
foreach($User in $UserDetails){

    $ActiveDirectoryList = New-Object PSObject
    $Users = get-aduser $User.SAMAccountName -properties * 
    if(!$Users.EmailAddress -eq ""){
        $counter++
        $ActiveDirectoryList | Add-Member -MemberType NoteProperty -Name "DisplayName" -Value $Users.DisplayName
        $ActiveDirectoryList | Add-Member -MemberType NoteProperty -Name "Email Address" -Value $Users.EmailAddress 
        write-host $Users.DisplayName
        $ActiveDirectoryList+=$ActiveDirectoryList
    }
}

Tried looking on the internet for a solution but they don't seem to solve anything.

Answer 1

Don't reuse the same variable name for the array, and the individual objects that you want to add to the array. Here I've renamed the PSObject variable to $ActiveDirectoryObject:

$ActiveDirectoryList=@() 
$UserDetails = get-aduser -filter {enabled -eq $true} -properties * | Select DisplayName,EmailAddress, SAMAccountName
$counter = 0
foreach($User in $UserDetails){

    $ActiveDirectoryObject = New-Object PSObject
    $Users = get-aduser $User.SAMAccountName -properties * 
    if(!$Users.EmailAddress -eq ""){
        $counter++
        $ActiveDirectoryObject | Add-Member -MemberType NoteProperty -Name "DisplayName" -Value $Users.DisplayName
        $ActiveDirectoryObject | Add-Member -MemberType NoteProperty -Name "Email Address" -Value $Users.EmailAddress 
        write-host $Users.DisplayName
        $ActiveDirectoryList += $ActiveDirectoryObject
    }
}