Your network contains an Active Directory forest that contains three domains. A group named Group1 is configured as a domain local distribution group in the forest root domain. You plan to grant Group1 read-only access to a shared folder named Share1. Share1 is located in a child domain. You need to ensure that the members of Group1 can access Share1. What should you do first?
A. Convert Group1 to a global distribution group.
B. Convert Group1 to a universal security group.
C. Convert Group1 to a universal distribution group.
D. Convert Group1 to a domain local security group