op_Addition problem

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1 year ago.

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  • #91957

    Points: 44
    Rank: Member

    I'm trying to add to a variable the result of three variables and it keeps giving me this error:
    "Method invocation failed because [System.Management.Automation.PSObject] doesn't contain a method named 'op_Addition'."

    Here is the code:

    $Domain = (Get-ADDomain).DistinguishedName
    $Query = "Support"
    $DistinguishedNames = @()
    $DistinguishedNames = Get-ADuser -Filter "Name -like '*$Query*'" -SearchBase $Domain | Select-Object DistinguishedName
    $DistinguishedNames += Get-ADGroup -Filter "Name -like '*$Query*'" -SearchBase $Domain | Select-Object DistinguishedName
    $DistinguishedNames += Get-ADOrganizationalUnit -Filter "Name -like '*$Query*'" -SearchBase $Domain | Select-Object DistinguishedName

    The problem is that I managed doing it a lot of times and now I just can't get it done...
    What I'm trying to do is to keep in only one variable all the results found on a query for the word "Support" on a domain, something like this:

    – – – – – – – – –

    PS: I know that using Get-ADbject I can manage it better, but just wanted to know if there is a way because on Internet I found that the answer for it is just put this "$DistinguishedNames = @()" in the code.

  • #91958

    Points: 167
    Helping Hand
    Rank: Participant

    Line 4

    $DistinguishedNames = Get-ADuser ....

    undoes the benefit of line 3

    $DistinguishedNames = @()

    Line 4 re-declares $DistinguishedNames as System.Object (Selected.Microsoft.ActiveDirectory.Management.ADUser) instead of System.Array which is what line 3 does.

    To fix the script, change line 4 to read

    $DistinguishedNames += Get-ADuser ....

    For more information see https://superwidgets.wordpress.com/2018/01/01/practical-guide-to-powershell-arrays/

    • #91981

      Points: 44
      Rank: Member

      Sam Boutros,

      Nice! Thanks a lot for the fast reply and attention!

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