how can I query to multiple domain's computer account in powershell

Question

I have bulk computer list in my CSV file with header of servers.

All these servers are different domains under single forest.

I need to get all these server attribute details like name and operating system, status.

I have created below script but that's not working..

Any help would be appreciated.

Import-Module ActiveDirectory

# For each domain in the forest

$domains = (Get-ADForest).Domains
$servers = Import-Csv "D:\temp\computer.csv" | % {$_.server}

foreach ($server in $servers)
{
  foreach ($domain in $domains)
  {
    Get-ADComputer $server -Server $domain -Properties operatingsystem | select name,operatingsystem 
  }
}

#

HI

I have added my script like below:

#

Import-Module ActiveDirectory



# For each domain in the forest



$domains = (Get-ADForest).Domains

$servers = Import-Csv "D:\temp\computers.csv" | % {$_.server}

$DomainController = "DC2:3268"  #  3268 is the commen port of global catalogue

$SearchBase = ((Get-ADDomain (Get-ADForest).RootDomain).DistinguishedName)

foreach ($server in $servers)

{

foreach ($domain in $domains)

{

Get-ADComputer $server -Server $DomainController -SearchBase $SearchBase -Properties operatingsystem | select name,operatingsystem

}
}

#

Getting below error now and also I have specified only samaccountname of computer not FQDS this time..

#### Error

Get-ADComputer : A positional parameter cannot be found that accepts argument 'DPS002'.
At D:\temp\search_computer.ps1:34 char:5
+     Get-ADComputer $server -Server $DomainController -SearchBase $SearchBase -Pr ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (:) [Get-ADComputer], ParameterBindingException
    + FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.ActiveDirectory.Management.Commands.GetADComputer

Please be more specific than "that's not working". What did you expect? What happened? — Mathias R. Jessen
– Mathias R. Jessen, Commented Oct 26, 2015 at 13:52

Buxmaniak · Accepted Answer · 2015-10-27 14:32:58Z

2

You have to run your request against the global catalogue to find AD objects in the whole AD forest.

You need a server witch is supporting global catalogue. Choose one which is next to you.
```
Import-Module ActiveDirectory
@((Get-ADForest).GlobalCatalogs) | Sort-Object
```

Your script, a little bit modified

Import-Module ActiveDirectory
$DomainController = "ServerFromStep1:3268"  #  3268 is the commen port of global catalogue
$SearchBase       = ((Get-ADDomain (Get-ADForest).RootDomain).DistinguishedName)

foreach ($server in $servers)
{
    Get-ADComputer $server -Server $DomainController -SearchBase $SearchBase -Properties operatingsystem | select name,operatingsystem
}

The same as 2 but able to processed FQDNs from server list.

foreach ($serverFQDN in $servers)
{
    $Local:ServerName = (($serverFQDN -replace "\..*$", "").Trim())
    if ($ServerName) {
        Get-ADComputer $ServerName -Server $DomainController -SearchBase $SearchBase -Properties operatingsystem | select name,operatingsystem
    }
}

edited Oct 27, 2015 at 14:32

answered Oct 26, 2015 at 15:20

Buxmaniak

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4 Comments

Mr. Chand Over a year ago

Hi I have tried script like below but got below error : Import-Module ActiveDirectory $DomainController = "DC41:3268" # 3268 is the commen port of global catalogue $SearchBase = ((Get-ADDomain (Get-ADForest).RootDomain).DistinguishedName) $servers = Import-Csv "D:\temp\computers.csv" foreach ($server in $servers) { Get-ADComputer $server -Server $DomainController -SearchBase $SearchBase -Properties operatingsystem | select name,operatingsystem }

Mr. Chand Over a year ago

Error is below #############ERROR ######## Get-ADComputer : A positional parameter cannot be found that accepts argument '@{server=JANCNB.accenture.com}'. At D:\temp\findallcomputers.ps1:8 char:5 + Get-ADComputer $server -Server $DomainController -SearchBase $SearchBase -Pr ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidArgument: (:) [Get-ADComputer], ParameterBindingException + FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.ActiveDirectory.Management.Commands.GetADComputer

Buxmaniak Over a year ago

It can't work when you are using the FQDN of a server instead of the hostname. Get-ADComputer doesn't work with FQDNs. Step 3 shows you the way out of this problem.

Kelly S. French Over a year ago

@Mr.Chand please edit the original question and add your comments there as an update, include the version of the script (code) and the error there.

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