Your network contains two Active Directory forests named contoso.com and corp.contoso.com.
User1 is a member of the DnsAdmins domain local group in contoso.com.
User1 attempts to create a conditional forwarder to corp.contoso.com but receive an error message shown in the exhibit. (Click the Exhibit button.)
You need to configure bi-directional name resolution between the two forests.
What should you do first?
A. Add User1 to the DnsUpdateProxy group.
B. Configure the zone to be Active Directory-integrated.
C. Enable the Advanced view from DNS Manager.
D. Run the New Delegation Wizard.
The zone must be Active Directory-integrated.