diff --git a/adapters/mso-adapter-utils/src/main/java/org/onap/so/openstack/utils/MsoHeatUtils.java b/adapters/mso-adapter-utils/src/main/java/org/onap/so/openstack/utils/MsoHeatUtils.java
index 0542340..300d06b 100644
--- a/adapters/mso-adapter-utils/src/main/java/org/onap/so/openstack/utils/MsoHeatUtils.java
+++ b/adapters/mso-adapter-utils/src/main/java/org/onap/so/openstack/utils/MsoHeatUtils.java
@@ -1710,12 +1710,12 @@
 
     	return vduStatus;
     }
-
-	public Resources queryStackResources(String cloudSiteId, String tenantId, String stackName) throws MsoException {
+    
+	public Resources queryStackResources(String cloudSiteId, String tenantId, String stackName, int nestedDepth) throws MsoException {
 		CloudSite cloudSite = cloudConfig.getCloudSite(cloudSiteId)
 				.orElseThrow(() -> new MsoCloudSiteNotFound(cloudSiteId));
 		Heat heatClient = getHeatClient(cloudSite, tenantId);
-		OpenStackRequest<Resources> request = heatClient.getResources().listResources(stackName);
+		OpenStackRequest<Resources> request = heatClient.getResources().listResources(stackName).queryParam("nested_depth", nestedDepth);
 		return executeAndRecordOpenstackRequest(request);
 	}
 
diff --git a/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/audit/HeatStackAudit.java b/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/audit/HeatStackAudit.java
index 31e913d..b522300 100644
--- a/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/audit/HeatStackAudit.java
+++ b/adapters/mso-openstack-adapters/src/main/java/org/onap/so/adapters/audit/HeatStackAudit.java
@@ -68,7 +68,7 @@
 	public Optional<AAIObjectAuditList> auditHeatStack(String cloudRegion, String cloudOwner, String tenantId, String heatStackName) {
 		try {
 			logger.debug("Fetching Top Level Stack Information");
-			Resources resources = heat.queryStackResources(cloudRegion, tenantId, heatStackName);
+			Resources resources = heat.queryStackResources(cloudRegion, tenantId, heatStackName, 3);
 			List<Resource> novaResources = resources.getList().stream()
 					.filter(p -> "OS::Nova::Server".equals(p.getType())).collect(Collectors.toList());
 			List<Resource> resourceGroups = resources.getList().stream()
diff --git a/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/audit/HeatStackAuditTest.java b/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/audit/HeatStackAuditTest.java
index a7744a2..e728cfd 100644
--- a/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/audit/HeatStackAuditTest.java
+++ b/adapters/mso-openstack-adapters/src/test/java/org/onap/so/adapters/audit/HeatStackAuditTest.java
@@ -169,19 +169,34 @@
 		
 		String actualValue = objectMapper.writeValueAsString(vserversWithSubInterfaces);
 		String expectedValue = getJson("ExpectedVserversToAudit.json");
-		System.out.println(actualValue);
 		JSONAssert.assertEquals(expectedValue, actualValue, false);
 	}
 	
 	@Test
 	public void auditHeatStackNoServers_Test() throws Exception{
 		Resources getResource = objectMapper.readValue(new File("src/test/resources/Service1ResourceGroupResponse.json"), Resources.class);
-		doReturn(getResource).when(msoHeatUtilsMock).queryStackResources(cloudRegion,	tenantId, "heatStackName");
+		doReturn(getResource).when(msoHeatUtilsMock).queryStackResources(cloudRegion,	tenantId, "heatStackName", 3);
 		
 		Optional<AAIObjectAuditList> actual = heatStackAudit.auditHeatStack(cloudRegion, "cloudOwner", tenantId, "heatStackName");
 		assertEquals(true, actual.get().getAuditList().isEmpty());
 	}
 	
+	@Test
+	public void auditHeatStackNestedServers_Test() throws Exception{
+		Resources getResource = objectMapper.readValue(new File("src/test/resources/GetNestedResources.json"), Resources.class);		
+		List<Resource> novaResources = getResource.getList().stream()
+				.filter(p -> "OS::Nova::Server".equals(p.getType())).collect(Collectors.toList());		
+		List<Resource> resourceGroups = getResource.getList().stream()
+				.filter(p -> "OS::Heat::ResourceGroup".equals(p.getType())).collect(Collectors.toList());
+		
+		doReturn(getResource).when(msoHeatUtilsMock).queryStackResources(cloudRegion,	tenantId, "heatStackName", 3);		
+		Set<Vserver> vServersToAudit = heatStackAudit.createVserverSet(resources, novaResources,portList);		
+		Set<Vserver> vserversWithSubInterfaces = heatStackAudit.processSubInterfaces(cloudRegion,tenantId,resourceGroups, vServersToAudit);
+		String actualValue = objectMapper.writeValueAsString(vserversWithSubInterfaces);
+		String expectedValue = getJson("NestedExpectedValue.json");
+		JSONAssert.assertEquals(expectedValue, actualValue, false);
+	}
+	
 
 	@Test
 	public void findInterfaceInformation_Test(){
diff --git a/adapters/mso-openstack-adapters/src/test/resources/GetNestedResources.json b/adapters/mso-openstack-adapters/src/test/resources/GetNestedResources.json
new file mode 100644
index 0000000..73769d7
--- /dev/null
+++ b/adapters/mso-openstack-adapters/src/test/resources/GetNestedResources.json
@@ -0,0 +1,277 @@
+{
+    "resources": [
+        {
+            "resource_name": "rar_keypair",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module/9b93aecf-fe05-4047-ba36-d5eb7bc7354e/resources/rar_keypair",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module/9b93aecf-fe05-4047-ba36-d5eb7bc7354e",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_keypair",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:49Z",
+            "required_by": [
+                "rar_node_0"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "rdm6ararf8001v-key_pair",
+            "resource_type": "OS::Nova::KeyPair"
+        },
+        {
+            "resource_name": "rar_node_0",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module/9b93aecf-fe05-4047-ba36-d5eb7bc7354e/resources/rar_node_0",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module/9b93aecf-fe05-4047-ba36-d5eb7bc7354e",
+                    "rel": "stack"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "nested"
+                }
+            ],
+            "logical_resource_id": "rar_node_0",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:49Z",
+            "required_by": [],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "c4876377-22bb-45d2-9fc3-f36a32207fa5",
+            "resource_type": "nest_rareport_server.yaml"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_volumeattachment_0",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_volumeattachment_0",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_volumeattachment_0",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "a27b9151-f439-437e-b7b0-94068cc856fa",
+            "resource_type": "OS::Cinder::VolumeAttachment"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_volume_0",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_volume_0",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_volume_0",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_volumeattachment_0"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "a27b9151-f439-437e-b7b0-94068cc856fa",
+            "resource_type": "OS::Cinder::Volume"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_RMM",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_RMM",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_RMM",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_server_0"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "dd23e047-d169-4cc3-a90a-6bc81b1ea17a",
+            "resource_type": "OS::Heat::MultipartMime"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_server_0",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_server_0",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_server_0",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_volumeattachment_0"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "03a31a65-91ed-4563-9d5d-4f7223df9767",
+            "resource_type": "OS::Nova::Server"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_RSC",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_RSC",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_RSC",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_RMM"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "7cea5faf-f5a8-4182-a686-05964f51ad95",
+            "resource_type": "OS::Heat::SoftwareConfig"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_0_oam_port_0",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_0_oam_port_0",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_0_oam_port_0",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_server_0"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "d2bc253c-96a5-47df-a00f-5b9f3eebe684",
+            "resource_type": "OS::Neutron::Port"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_RCC_2",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_RCC_2",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_RCC_2",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_RMM"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "15d092ab-4702-4635-8da9-24fff85c175b",
+            "resource_type": "OS::Heat::CloudConfig"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_RCC_0",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_RCC_0",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_RCC_0",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_RMM"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "9420ad4c-49da-4f23-89fc-109f9d5a4505",
+            "resource_type": "OS::Heat::CloudConfig"
+        },
+        {
+            "parent_resource": "rar_node_0",
+            "resource_name": "rar_RCC_1",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5/resources/rar_RCC_1",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module-rar_node_0-4pkqvamx52u6/c4876377-22bb-45d2-9fc3-f36a32207fa5",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_RCC_1",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:56Z",
+            "required_by": [
+                "rar_RMM"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "321b91fb-f265-4e56-8025-3c3e88da320a",
+            "resource_type": "OS::Heat::CloudConfig"
+        },
+        {
+            "resource_name": "rar_Sec_Grp",
+            "links": [
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module/9b93aecf-fe05-4047-ba36-d5eb7bc7354e/resources/rar_Sec_Grp",
+                    "rel": "self"
+                },
+                {
+                    "href": "https://test.com:8004/v1/326799122bd4451c801153f5db7f8509/stacks/rdm6ararf8001v_base_module/9b93aecf-fe05-4047-ba36-d5eb7bc7354e",
+                    "rel": "stack"
+                }
+            ],
+            "logical_resource_id": "rar_Sec_Grp",
+            "resource_status": "CREATE_COMPLETE",
+            "updated_time": "2019-04-02T20:13:49Z",
+            "required_by": [
+                "rar_node_0"
+            ],
+            "resource_status_reason": "state changed",
+            "physical_resource_id": "99fc77c6-019b-441c-ad99-b48dd1059f71",
+            "resource_type": "OS::Neutron::SecurityGroup"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/adapters/mso-openstack-adapters/src/test/resources/GetResources.json b/adapters/mso-openstack-adapters/src/test/resources/GetResources.json
index 3366ce4..0d403a6 100644
--- a/adapters/mso-openstack-adapters/src/test/resources/GetResources.json
+++ b/adapters/mso-openstack-adapters/src/test/resources/GetResources.json
@@ -223,6 +223,374 @@
       "resource_status_reason": "state changed", 
       "resource_type": "OS::Heat::ResourceGroup", 
       "updated_time": "2019-01-23T19:34:15Z"
+    }, 
+    {
+      "resources": [
+        {
+          "links": [
+            {
+              "href": "https://orchestration.com:8004/v1/ea2d13cc98b44d60a6f94bdcb2738f9e/stacks/tsbc0005vm002ssc001-ssc_1_subint_service1_port_0_subinterfaces-dtmxjmny7yjz/31d0647a-6043-49a4-81b6-ccab29380672/resources/1", 
+              "rel": "self"
+            }, 
+            {
+              "href": "https://orchestration.com:8004/v1/ea2d13cc98b44d60a6f94bdcb2738f9e/stacks/tsbc0005vm002ssc001-ssc_1_subint_service1_port_0_subinterfaces-dtmxjmny7yjz/31d0647a-6043-49a4-81b6-ccab29380672", 
+              "rel": "stack"
+            }, 
+            {
+              "href": "https://orchestration.com:8004/v1/ea2d13cc98b44d60a6f94bdcb2738f9e/stacks/tsbc0005vm002ssc001-ssc_1_subint_service1_port_0_subinterfaces-dtmxjmny7yjz-1-fmn5laetg5cs/0d9cd813-2ae1-46c0-9ebb-48081f6cffbb", 
+              "rel": "nested"
+            }
+          ], 
+          "logical_resource_id": "1", 
+          "parent_resource": "ssc_1_subint_service1_port_0_subinterfaces", 
+          "physical_resource_id": "0d9cd813-2ae1-46c0-9ebb-48081f6cffbb", 
+          "required_by": [], 
+          "resource_name": "1", 
+          "resource_status": "CREATE_COMPLETE", 
+          "resource_status_reason": "state changed", 
+          "resource_type": "vlan_subinterface_ssc_service1.yaml", 
+          "updated_time": "2019-01-23T19:34:56Z"
+        }, 
+        {
+          "links": [
+            {
+              "href": "https://orchestration.com:8004/v1/ea2d13cc98b44d60a6f94bdcb2738f9e/stacks/tsbc0005vm002ssc001-ssc_1_subint_service1_port_0_subinterfaces-dtmxjmny7yjz/31d0647a-6043-49a4-81b6-ccab29380672/resources/0", 
+              "rel": "self"
+            }, 
+            {
+              "href": "https://orchestration.com:8004/v1/ea2d13cc98b44d60a6f94bdcb2738f9e/stacks/tsbc0005vm002ssc001-ssc_1_subint_service1_port_0_subinterfaces-dtmxjmny7yjz/31d0647a-6043-49a4-81b6-ccab29380672", 
+              "rel": "stack"
+            }, 
+            {
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+          "rel": "stack"
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+      "physical_resource_id": "6d23f4d3-8f7b-42c5-bb9e-4aee5797d506", 
+      "required_by": [], 
+      "resource_name": "ssc_subint_service2_vmi_0_ip_0", 
+      "resource_status": "CREATE_COMPLETE", 
+      "resource_status_reason": "state changed", 
+      "resource_type": "OS::ContrailV2::InstanceIp", 
+      "updated_time": "2019-01-23T19:34:56Z"
     }
   ]
 }
diff --git a/adapters/mso-openstack-adapters/src/test/resources/NestedExpectedValue.json b/adapters/mso-openstack-adapters/src/test/resources/NestedExpectedValue.json
new file mode 100644
index 0000000..337f3ce
--- /dev/null
+++ b/adapters/mso-openstack-adapters/src/test/resources/NestedExpectedValue.json
@@ -0,0 +1 @@
+[{"vserverId":"03a31a65-91ed-4563-9d5d-4f7223df9767","linterfaces":{"linterface":[]}}]
\ No newline at end of file