Your network contains an Active Directory domain named contoso.com.
On several organizational units (OUs), an administrator named Admin1 plans to delegate
control of custom tasks. You need to ensure that Admin1 can delegate a custom task named
Task1 by using the Delegation of Control Wizard.
What should you do?

A.
Add a new class to the Active Directory schema.

B.
Configure a custom MMC console.

C.
Modify the Delegwiz.inf file.

D.
Configure a new authorization store by using Authorization Manager.

Explanation:
http://support.microsoft.com/kb/308404