Your network contains an Active Directory domain named contoso.com. The network is configured to use ISATAP. You have a server named Server1 that runs Windows Server 2008 R2. On Server1, you discover that a tunnel adapter named isatap.contoso.com has a Media State of "Media disconnected". You confirm that Server1 has a valid network connection and can query the DNS server.
You need to ensure that the isatap.contoso.com tunnel adapter has an IPv6 address.
What should you do?
A.
Start the IP Helper service.
B.
Start the IPsec Policy Agent service.
C.
Add a new rule to Windows Firewall.
D.
Add an entry for ISATAP to the Hosts file.