RESTORE DELETED OBJECT USING ADRESTORE TOOL

In my situation, I accidentally delete the OU in Active Directory in Windows Server 2008 R2 with Windows Server 2003 for Domain functional Level.

1. Download and extract the ADRestore file from Microsoft Sysinternal to Domain Controller.  May download from this URL https://technet.microsoft.com/en-us/sysinternals/bb963906.aspx 

2. At Domain Controller server run CMD adrestore /r

3. Verify the attribute to restore, press Y to restore and Done.