The DHCP_RESERVED_SCOPE6 structure defines an IPv6 reservation. This is used in DHCP_OPTION_SCOPE_INFO6 (section 2.2.1.2.30) structure.

 typedef struct _DHCP_RESERVED_SCOPE6 {
   DHCP_IPV6_ADDRESS ReservedIpAddress;
   DHCP_IPV6_ADDRESS ReservedIpSubnetAddress;
 } DHCP_RESERVED_SCOPE6,
  *LPDHCP_RESERVED_SCOPE6;

ReservedIpAddress: This is of type DHCP_IPV6_ADDRESS (section 2.2.1.2.28), containing theIPv6 address of an IPv6 reservation.

ReservedIpSubnetAddress: This is of type DHCP_IPV6_ADDRESS, containing the IPv6 prefix ID of the subnet.