You do not have sufficient privileges to delete ‘OU’, or this object is protected from accidental deletion.

You do not have sufficient privileges to delete the OU (Sales). The organizational unit or this object is protect from accidental deletion.

1- Active Directory domain services error delete organizational unit

2- In the Active Directory Users and Computer and select the View tab and then choose Advanced Features.

3- Right click on the OU then one you want to delete and then select properties.

4- Select the Object menu and uncheck Protect object from accidental deletion and then click ok.

5- Now you can go back and delete the OU.