Your network contains an Active Directory forest. The functional level of the forest is Windows  Server 2008 R2.     Your company’s corporate security policy states that the password for each user account must be  changed at least every 45 days.     You have a user account named Service1. Service1 is used by a network application named  Application1. Every 45 days， Application1 fails.  After resetting the password for Service1， Application1 runs properly. You need to resolve the  issue that causes Application1 to fail. The solution must adhere to the corporate security policy.     What should you do（）

• A、Run the Set-ADAccountControl cmdlet.
• B、Run the Set-ADServiceAccount cmdlet.
• C、Create a new password policy.
• D、Create a new Password Settings object （PSO）.