diff --git a/setup/db/create-schema.sql b/setup/db/create-schema.sql
index 4e41f49db3b..7760f5d0c7b 100755
--- a/setup/db/create-schema.sql
+++ b/setup/db/create-schema.sql
@@ -670,7 +670,7 @@ CREATE TABLE `cloud`.`op_dc_vnet_alloc` (
     PRIMARY KEY (`id`),
     UNIQUE `i_op_dc_vnet_alloc__vnet__data_center_id__account_id`(`vnet`, `data_center_id`, `account_id`),
     INDEX `i_op_dc_vnet_alloc__dc_taken`(`data_center_id`, `taken`),
-    UNIQUE `i_op_dc_vnet_alloc__vnet__data_center_id`(`vnet`, `data_center_id`),
+    UNIQUE `i_op_dc_vnet_alloc__vnet__data_center_id`(`vnet`, `physical_network_id`, `data_center_id`),
 	CONSTRAINT `fk_op_dc_vnet_alloc__data_center_id` FOREIGN KEY (`data_center_id`) REFERENCES `data_center`(`id`) ON DELETE CASCADE,
 	CONSTRAINT `fk_op_dc_vnet_alloc__physical_network_id` FOREIGN KEY (`physical_network_id`) REFERENCES `physical_network`(`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
diff --git a/setup/db/db/schema-40to410.sql b/setup/db/db/schema-40to410.sql
index ed4946e54dd..304e12c1eda 100644
--- a/setup/db/db/schema-40to410.sql
+++ b/setup/db/db/schema-40to410.sql
@@ -1264,3 +1264,7 @@ CREATE VIEW `cloud`.`data_center_view` AS
         `cloud`.`domain` ON data_center.domain_id = domain.id;               
         
 INSERT IGNORE INTO `cloud`.`configuration` VALUES ('Advanced', 'DEFAULT', 'management-server', 'direct.agent.pool.size', '500', 'Default size for DirectAgentPool');
+
+ALTER TABLE `cloud`.`op_dc_vnet_alloc` DROP INDEX i_op_dc_vnet_alloc__vnet__data_center_id;
+
+ALTER TABLE `cloud`.`op_dc_vnet_alloc` ADD CONSTRAINT UNIQUE `i_op_dc_vnet_alloc__vnet__data_center_id`(`vnet`, `physical_network_id`, `data_center_id`);