Checking if a computer is in the the Active Directory global catalog

Hi, I need a script that can tell me if a computer is found in the Active Directory global catalog. The code below is returning inaccurate results. Every computer that failed the Try statement can b...

Windows PowerShell

robmo

Feb 17, 2023

I added some bogus computer names to computers.txt along with some known computers and it seems to be working now. Let me know if this solution doesn't seem correct.

Import-Module ActiveDirectory
$server = "myserver.com:3268"

#Get the list of computers to test
$computers = Get-Content -Path "$PSScriptRoot\computers.txt"

#Check active directory for each computer
foreach($computer in $computers) {

    $test = Get-ADComputer -Filter 'Name -eq $computer' -Server $server

    if($null -ne $test) {
        Write-Host "$computer in AD" -ForegroundColor Green
    } else {
        Write-Host "$computer not in AD" -ForegroundColor Red
    }

}

robmo

Brass Contributor

Feb 17, 2023

Changing Line 11 to the example below appears to show the correct results. Would this change be reliable?

$test = Get-ADComputer -Filter 'Name -eq $computer'

robmo

Brass Contributor

Feb 17, 2023

I added some bogus computer names to computers.txt along with some known computers and it seems to be working now. Let me know if this solution doesn't seem correct.

Import-Module ActiveDirectory
$server = "myserver.com:3268"

#Get the list of computers to test
$computers = Get-Content -Path "$PSScriptRoot\computers.txt"

#Check active directory for each computer
foreach($computer in $computers) {

    $test = Get-ADComputer -Filter 'Name -eq $computer' -Server $server

    if($null -ne $test) {
        Write-Host "$computer in AD" -ForegroundColor Green
    } else {
        Write-Host "$computer not in AD" -ForegroundColor Red
    }

}

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Checking if a computer is in the the Active Directory global catalog

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