###BeginCaseStudy###
Case Study: 2
City Power & Light
Scenario:
You are an enterprise desktop support technician for City Power & Light. City Power &
Light is a utility company. The company has a main office and a branch office. The main
office is located in Toronto. The branch office is located in Boston. The main office has
1,000 employees. The branch office has 10 employees.
Active Directory Configuration
The network contains a single Active Directory domain named cpandl.com. The functional
level of the forest is Windows Server 2008 R2.
Server Configuration
All servers run Windows Server 2008 R2. The relevant servers in the main office are
configured as shown in the following table.

All computers in the main office are configured to use DHCP. All computers in the branch
office are configured to use static IP addresses.
User Information
• All user accounts are standard user accounts.
• All client computers run Windows 7 Enterprise.
• Each portable computer has a PPT P-based VPN connection to the internal network.
Corporate Security Guidelines
• All users must be granted the least privileges possible.
• All locally stored documents must be encrypted by using Encrypting File System
(EFS).
• The hard disk drives on all port able computers must be encrypted by using Windows
BitLocker Drive Encryption (BitLocker).
• All encryption certificates must be stored on smart cards.
###EndCaseStudy###

Users report that their DirectAccess connections fail. You instruct the help desk to tell the users to
run the Connection to a Workplace Using DirectAccess troubleshooter. The help desk reports that
the Connection to a Workplace Using DirectAccess troubleshooter fails to function. You need to
ensure that the Connection to a Workplace Using DirectAccess troubleshooter functions properly.
What should you do?

A.
Instruct the help desk to enable IPv6 on the users’ computers.

B.
Instruct the help desk to modify the users’ Windows Firewall settings.

C.
Request that the domain administrator configure the Teredo State Group Policy setting.

D.
Request that the domain administrator configure the Corporate Website Probe URL Group Policy
setting.

Explanation:
Troubleshooting item in Control Panel

To focus troubleshooting on DirectAccess and collect additional information, you can use the
Connection to a Workplace Using DirectAccess troubleshooter in the Troubleshooting item of
Control Panel.
To start the DirectAccess troubleshooter:
Click Start, and then click Control Panel.
In System and Security, click Find and fix problems.
Click Network and Internet, and then click Connection to a Workplace Using DirectAccess.

Note: For this troubleshooting tool to work correctly, you must configure the Computer
Configuration/
Policies/Administrative Templates/Network/Network Connectivity Status Indicator/Corporate
Website
Probe URL Group Policy setting in the Group Policy object for DirectAccess clients.
http://technet.microsoft.com/en-us/library/ee624046(WS.10).aspx