Your network contains an Active Directory domain named contoso.com. The domain contains a domain controller named DC1 that runs Windows Server 2012 R2.
A user named User1 attempts to log on to DC1, but receives the error message shown in the exhibit. (Click the Exhibit button.)

You need to ensure that User1 can log on to DC1.
What should you do?（）

Your network contains an Active Directory domain named contoso.com.
An administrator provides you with a file that contains the information to create use accounts for 200 temporary employees. The file is shown in the exhibit. (Click the Exhibit button.)

You need to automate the creation of the user accounts. You must achieve this goal by using the minimum amount of administrative effort.
Which tool should you use?（）