diff --git a/sdnr/wt/devicemanager-onf/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf/ne/ONFCoreNetworkElement12Basic.java b/sdnr/wt/devicemanager-onf/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf/ne/ONFCoreNetworkElement12Basic.java
index 19be028..93d31c5 100644
--- a/sdnr/wt/devicemanager-onf/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf/ne/ONFCoreNetworkElement12Basic.java
+++ b/sdnr/wt/devicemanager-onf/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf/ne/ONFCoreNetworkElement12Basic.java
@@ -18,6 +18,7 @@
 package org.onap.ccsdk.features.sdnr.wt.devicemanager.onf.ne;
 
 import org.eclipse.jdt.annotation.NonNull;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.onf.impl.DeviceManagerOnfConfiguration;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.AaiService;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
@@ -27,8 +28,12 @@
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.MaintenanceService;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.PerformanceManager;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.types.FaultData;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.Capabilities;
 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementConnectionBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementDeviceType;
+import org.opendaylight.yangtools.yang.common.QName;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -57,6 +62,7 @@
     private final @NonNull AaiService aaiProviderClient;
     private final @NonNull PerformanceManager performanceManager;
     private final @NonNull EventHandlingService eventListenerHandler;
+    private final @NonNull DataProvider dataProvider;
 
 
     private final @NonNull String mountPointNodeName;
@@ -69,7 +75,7 @@
 
     /**
      * Basic element for netconf device with ONF Core model V1.2
-     * 
+     *
      * @param acessor to manage device connection
      * @param serviceProvider to get devicemanager services
      */
@@ -87,6 +93,7 @@
         this.aaiProviderClient = serviceProvider.getAaiService();
         this.performanceManager = serviceProvider.getPerformanceManagerService();
         this.eventListenerHandler = serviceProvider.getEventHandlingService();
+        this.dataProvider = serviceProvider.getDataProvider();
 
 
     }
@@ -162,6 +169,25 @@
     }
 
     /**
+     * @param nNode
+     * set core-model-capability
+     */
+    public void setCoreModel(@NonNull NetconfNode nNode) {
+        NetworkElementConnectionBuilder eb = new NetworkElementConnectionBuilder();
+
+        String namespaceRevision;
+        QName QNAME_COREMODEL = QName.create("urn:onf:params:xml:ns:yang:core-model", "2017-03-20", "core-model").intern();
+
+        Capabilities availableCapabilities = Capabilities.getAvailableCapabilities(nNode);
+        namespaceRevision = availableCapabilities.getRevisionForNamespace(QNAME_COREMODEL);
+        if (Capabilities.isNamespaceSupported(namespaceRevision)) {
+            eb.setCoreModelCapability(namespaceRevision);
+        } else {
+            eb.setCoreModelCapability("Unsupported");
+        }
+        dataProvider.updateNetworkConnection22(eb.build(), acessor.getNodeId().getValue());
+    }
+    /**
      * Remove all entries from list
      */
     @Override
@@ -178,6 +204,9 @@
         // Register netconf stream
         acessor.registerNotificationsStream(NetconfAccessor.DefaultNotificationsStream);
 
+        // Set core-model revision value in "core-model-capability" field
+        setCoreModel(acessor.getNetconfNode());
+
         // -- Read data from NE
         initialReadFromNetworkElement();
 
@@ -204,6 +233,7 @@
         maintenanceService.deleteIfNotRequired(mountPointNodeName);
         performanceManager.deRegistration(mountPointNodeName);
         aaiProviderClient.onDeviceUnregistered(mountPointNodeName);
+        faultService.removeAllCurrentProblemsOfNode(acessor.getNodeId());
     }
 
     @Override
diff --git a/sdnr/wt/devicemanager-onf14/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf14/impl/Onf14NetworkElement.java b/sdnr/wt/devicemanager-onf14/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf14/impl/Onf14NetworkElement.java
index 92840fb..816aa50 100644
--- a/sdnr/wt/devicemanager-onf14/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf14/impl/Onf14NetworkElement.java
+++ b/sdnr/wt/devicemanager-onf14/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/onf14/impl/Onf14NetworkElement.java
@@ -28,6 +28,7 @@
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.FaultService;
 import org.onap.ccsdk.features.sdnr.wt.devicemanager.types.FaultData;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.Capabilities;
 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
 import org.opendaylight.yang.gen.v1.urn.onf.yang.air._interface._2._0.rev200121.LAYERPROTOCOLNAMETYPEAIRLAYER;
@@ -51,11 +52,14 @@
 import org.opendaylight.yang.gen.v1.urn.onf.yang.core.model._1._4.rev191127.equipment.ContainedHolder;
 import org.opendaylight.yang.gen.v1.urn.onf.yang.core.model._1._4.rev191127.logical.termination.point.LayerProtocol;
 import org.opendaylight.yang.gen.v1.urn.onf.yang.core.model._1._4.rev191127.logical.termination.point.LayerProtocolKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementConnectionBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementDeviceType;
 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.NotificationListener;
+import org.opendaylight.yangtools.yang.common.QName;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -125,8 +129,31 @@
         }
     }
 
+    /**
+     * @param nNode
+     * set core-model-capability
+     */
+    public void setCoreModel(@NonNull NetconfNode nNode) {
+        NetworkElementConnectionBuilder eb = new NetworkElementConnectionBuilder();
+        log.info("In setCoreModel for Onf14NetworkElement");
+        String namespaceRevision;
+        QName QNAME_COREMODEL14 = QName.create("urn:onf:yang:core-model-1-4", "2019-11-27", "core-model-1-4").intern();
+
+        Capabilities availableCapabilities = Capabilities.getAvailableCapabilities(nNode);
+        namespaceRevision = availableCapabilities.getRevisionForNamespace(QNAME_COREMODEL14);
+        log.info("In setCoreModel for Onf14NetworkElement- namespaceRevision = "+namespaceRevision);
+        if (Capabilities.isNamespaceSupported(namespaceRevision)) {
+            eb.setCoreModelCapability(namespaceRevision);
+        } else {
+            eb.setCoreModelCapability("Unsupported");
+        }
+        databaseService.updateNetworkConnection22(eb.build(), netconfAccessor.getNodeId().getValue());
+    }
+    
     @Override
     public void register() {
+        // Set core-model revision value in "core-model-capability" field
+        setCoreModel(netconfAccessor.getNetconfNode());
         initialReadFromNetworkElement();
         // Register netconf stream
         airInterfaceNotificationListenerHandler =
diff --git a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/util/NetworkElementConnectionEntitiyUtil.java b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/util/NetworkElementConnectionEntitiyUtil.java
index 789930c..23c79f7 100644
--- a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/util/NetworkElementConnectionEntitiyUtil.java
+++ b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/util/NetworkElementConnectionEntitiyUtil.java
@@ -30,7 +30,6 @@
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementConnectionEntity;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementDeviceType;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.network.element.connection.entity.NodeDetailsBuilder;
-import org.opendaylight.yangtools.yang.common.QName;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -39,11 +38,8 @@
 
     private static final Logger LOG = LoggerFactory.getLogger(NetworkElementConnectionEntitiyUtil.class);
 
-    private static final QName QNAME_COREMODEL =
-            QName.create("urn:onf:params:xml:ns:yang:core-model", "2017-03-20", "core-model").intern();
-
     /**
-     * Update devicetype and let all other field empty
+     * Update devicetype and let all other field empties
      *
      * @param deviceType that should be updated
      * @return NetworkElementConnectionEntity with related parameter
@@ -75,8 +71,6 @@
         Capabilities availableCapabilities = Capabilities.getAvailableCapabilities(nNode);
         Capabilities unAvailableCapabilities = Capabilities.getUnavailableCapabilities(nNode);
 
-        eb.setCoreModelCapability(availableCapabilities.getRevisionForNamespace(QNAME_COREMODEL));
-
         NodeDetailsBuilder nodeDetails =
                 new NodeDetailsBuilder().setAvailableCapabilities(availableCapabilities.getCapabilities())
                         .setUnavailableCapabilities(unAvailableCapabilities.getCapabilities());
@@ -93,6 +87,7 @@
             LoginPassword loginPassword = (LoginPassword) credentials;
             eb.setUsername(loginPassword.getUsername()).setPassword(loginPassword.getPassword());
         }
+        eb.setCoreModelCapability("Unsupported"); // Default value. Specific value (if any) is set in the specific devicemanagers
         return eb.build();
     }
 }
diff --git a/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java b/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java
index 6b790af..a348b29 100644
--- a/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java
+++ b/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java
@@ -49,6 +49,7 @@
     private static final Logger LOG = LoggerFactory.getLogger(Capabilities.class);
 
     private static final String METHODNAME = "getCapability";
+    private static final String UNSUPPORTED = "Unsupported";
     private final List<String> capabilities = new ArrayList<>();
     private final DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
 
@@ -218,9 +219,17 @@
                 return QName.create(capability).getRevision().get().toString();
             }
         }
-        return "Unsupported";
+        return UNSUPPORTED;
     }
 
+    /**
+     * Verify if QName namespace is supported by capabilities
+     * @param revision result of getRevisionForNamespace()
+     * @return true if namespace is supported.
+     */
+    static public boolean isNamespaceSupported(String revision) {
+    	return revision != UNSUPPORTED;
+    }
 
     @Override
     public String toString() {