+ //\r
+ //DHCP4 service allows only one of its children to be configured in\r
+ //the active state, If the DHCP4 D.O.R.A started by IP4 auto\r
+ //configuration and has not been completed, the Dhcp4 state machine\r
+ //will not be in the right state for the PXE to start a new round D.O.R.A.\r
+ //so we need to switch it's policy to static.\r
+ //\r
+ Status = PxeBcSetIp4Policy (Private);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+\r