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Retrieve Local Admins via Powershell

Posted on 2015-02-02
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Last Modified: 2015-02-02
Hey guys, i'd like a script to run to retrieve the list of local Administrators of a group of servers but only match certain users.

So something like

(Get-WMIObject Win32_Group | Where-Object { $_.Name –eq ‘Administrators’ }).GetRelated() | Where-Object { $_.__CLASS –eq “Win32_UserAccount” –or $_.__CLASS –eq “Win32_Group” } | Select-Object __CLASS,Caption,SID


But have a where-object that includes a certain user (just so we can identify if a user has local admin to any server.

Thanks for your help :)
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Question by:Terellion
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7 Comments
 
LVL 11

Expert Comment

by:Tej Pratap Shukla ~Dexter
ID: 40583654
Hi..

Follow the link for script to retrive local admins

http://andrewmorgan.ie/2011/06/retrieve-a-list-of-local-administrators-using-powershell/

Thanks
Dexter
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Author Comment

by:Terellion
ID: 40583684
Hi there, thanks for that. Do you know how to filter this down though so it only shows certain users?
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LVL 11

Expert Comment

by:Tej Pratap Shukla ~Dexter
ID: 40583687
0
Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 
LVL 40

Assisted Solution

by:Subsun
Subsun earned 500 total points
ID: 40583713
To find whether a user is member of a local admin group you can use following function..
Function Get-localadmin ($Comp,$User){
$group =[ADSI]"WinNT://$Comp/Administrators"
$Member = @($group.psbase.Invoke("Members")) | % {
	 $_.GetType().InvokeMember("Name", 'GetProperty', $null, $_, $null)
	} |?{$_ -eq $User}
 If ($Member){
	  New-Object PSObject -Property @{
	  Server = $Comp
	  Member = "Yes"
	  }
  }Else{
  New-Object PSObject -Property @{
  Server = $Comp
  Member = "No"
  }
  }
 }

Open in new window

So to check against single server
Get-localadmin -Comp ServerA -User UserA 

Open in new window

To check against a list of servers..
GC Server.txt | %{
Get-localadmin -Comp $_ -User UserA
}

Open in new window

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Author Comment

by:Terellion
ID: 40583718
Hi Subsun, thats brilliant! Is there a way to only show the ones that say Member - Yes? Thanks!
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LVL 40

Accepted Solution

by:
Subsun earned 500 total points
ID: 40583725
Function usage is same as shown in above comment..
Function Get-localadmin ($Comp,$User){
$group =[ADSI]"WinNT://$Comp/Administrators"
$Member = @($group.psbase.Invoke("Members")) | % {
	 $_.GetType().InvokeMember("Name", 'GetProperty', $null, $_, $null)
	} |?{$_ -eq $User}
 If ($Member){
	  New-Object PSObject -Property @{
	  Server = $Comp
	  Member = "Yes"
	  }
  }
 }

Open in new window

0
 

Author Comment

by:Terellion
ID: 40583732
That is absolutely superb, works a treat THANK YOU! :)
0

Featured Post

Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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