Change or Re-name single or multiple Computers Name using PowerShell Scripts

Syntax
Parameter Set: Default
Rename-Computer [-NewName] <String> [-ComputerName <String> ] [-DomainCredential <PSCredential> ] [-Force] [-LocalCredential <PSCredential> ] [-PassThru] [-Restart] [-Confirm] [-WhatIf] [ <CommonParameters>]

Reference:https://technet.microsoft.com/en-us/library/hh849792.aspx

Change Single comupter name:

Using Domain Credentials:
Rename-Computer -NewName WIN-SP01 -DomainCredential CORP\Administrator -Restart     #-Please Change computer name and domain credentials

Using Domain and Local credentials:
Rename-Computer -ComputerName WIN-89C5DXRG -NewName WIN-SP01 -LocalCredential "WIN-89C5DXRG\Administrator" -DomainCredential "CORP\Administrator" -Force -PassThru -Restart

Change/Re-Name multiple computers:

$a = Import-Csv C:\Serverslist.csv -Header OldName, NewName   #-Change csv file path

Foreach ( $Server in $a ) 

{

Rename-Computer -ComputerName $Server.OldName -NewName $Server.NewName -DomainCredential Domain01\Admin01 -Force -Restart

write-Host "$Server Name has been changed successfully!!" -ForegroundColor "Green" -BackgroundColor "Black"

}

else

{

write-Host "Unable to connect remote server $Server" -ForegroundColor "Yellow" -BackgroundColor "Red"

}