Powershell – Add users to local groups OR Sounds like a job for group policies

Today I needed to add a couple of AD users to the local administrators group on a number of servers….. and I am not allowed to use a GPO to do it.

Not wanting to manually connect to every machine I used the following powershell script

cls

$InputServers = Import-Csv “c:\servers.csv”

$InputUsers = Import-Csv “c:\users.csv”

$Servercount = 1

$ServerCountTotal = $InputServers.Count

$InputServers | ForEach-Object {

$ServerTemp=$_.ComputerName

“Starting ” + $Servercount + ” of ” + $Servercounttotal + ” : ” + $ServerTemp

$InputUsers | ForEach-Object {

$objUser = [ADSI](“WinNT://” + $_.Username )

$objGroup = [ADSI](“WinNT://” + $ServerTemp +”/Administrators”)

$objGroup.PSBase.Invoke(“Add”,$objUser.PSBase.Path)

}

“Complete ” + $Servercount + ” of ” + $Servercounttotal + ” : ” + $ServerTemp

$Servercount++

}

“Script Complete”

 

The script looks for 2 CSV files in the root of c:\

Servers.csv has a header of “ComputerName” and then a list of servers you want to affect one per line.

Users.csv has a header of “UserName” and then a list of user names (OLD FORMAT) Domain/User one per line.

 

Enjoy

 

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