diff --git a/bundles/com.zeligsoft.domain.dds4ccm/src/com/zeligsoft/domain/dds4ccm/constraints/java/ValidNameConstraint.java b/bundles/com.zeligsoft.domain.dds4ccm/src/com/zeligsoft/domain/dds4ccm/constraints/java/ValidNameConstraint.java
index ba18800b2..e7fae4476 100644
--- a/bundles/com.zeligsoft.domain.dds4ccm/src/com/zeligsoft/domain/dds4ccm/constraints/java/ValidNameConstraint.java
+++ b/bundles/com.zeligsoft.domain.dds4ccm/src/com/zeligsoft/domain/dds4ccm/constraints/java/ValidNameConstraint.java
@@ -16,6 +16,10 @@
  */
 package com.zeligsoft.domain.dds4ccm.constraints.java;
 
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 import java.util.function.Predicate;
 import java.util.regex.Pattern;
 
@@ -26,9 +30,18 @@
 import org.eclipse.emf.validation.IValidationContext;
 
 import com.zeligsoft.base.zdl.Activator;
+import com.zeligsoft.base.zdl.staticapi.util.AbstractBaseZDLFactory;
+import com.zeligsoft.base.zdl.staticapi.util.ZDLFactoryRegistry;
 import com.zeligsoft.base.zdl.util.ZDLUtil;
+import com.zeligsoft.domain.dds4ccm.DDS4CCMNames;
+import com.zeligsoft.domain.idl3plus.IDL3PlusNames;
+import com.zeligsoft.domain.omg.ccm.CCMNames;
+import com.zeligsoft.domain.omg.corba.CXDomainNames;
 import com.zeligsoft.domain.zml.util.ZMLMMNames;
 
+import org.eclipse.uml2.common.util.CacheAdapter;
+import org.eclipse.uml2.uml.Class;
+
 /**
  * Validates whether an entity name is valid, i.e. that it doesn't contain illegal characters.
  * 
@@ -39,13 +52,58 @@ public class ValidNameConstraint extends AbstractModelConstraint {
 	private static final String VALID_NAME_REGEX = "[a-zA-Z_]\\w*";
 	private static final Pattern VALID_NAME_PATTERN = Pattern.compile(VALID_NAME_REGEX);
 	private static final Predicate<String> VALID_NAME_PREDICATE = VALID_NAME_PATTERN.asMatchPredicate();
+	
+	/* CHECKABLE_NAMED_ELEMENTS is a set containing the names of all concepts and only 
+	 * the concepts of elements that are to be checked by validation. This list should 
+	 * match the names of all elements that result in IDL identifiers.
+	 * See https://github.com/ZeligsoftDev/CX4CBDDS/issues/477 */
+	private static final Set<String> CHECKABLE_NAMED_ELEMENT_CONCEPTS = new HashSet<String>(Arrays.asList(
+			CCMNames.CCMCOMPONENT,
+			CCMNames.CCMMODEL,
+			CCMNames.EVENT,
+			CCMNames.EVENT_PORT,
+			CCMNames.INTERFACE_PORT,
+			DDS4CCMNames.DDS4_CCMMODEL,
+			DDS4CCMNames.DDSMESSAGE,
+			DDS4CCMNames.MESSAGE_FIELD,
+			IDL3PlusNames.CONNECTOR_DEF,
+			IDL3PlusNames.EXTENDED_PORT_TYPE,
+//			IDL3PlusNames.MODULE_BINDING,
+			IDL3PlusNames.MODULE_INSTANTIATION,
+//			IDL3PlusNames.PARAMETER_BINDING,
+			IDL3PlusNames.TEMPLATE_MODULE,
+			IDL3PlusNames.TYPED_CONNECTOR,
+			CXDomainNames.CXATTRIBUTE,
+			CXDomainNames.CXARRAY,
+			CXDomainNames.CXBOUND,
+			CXDomainNames.CXCASE,
+			CXDomainNames.CXCASE__LABEL,
+			CXDomainNames.CXCLASSIFIER,
+			CXDomainNames.CXCONSTANT,
+			CXDomainNames.CXENUM,
+			CXDomainNames.CXEXCEPTION,
+			CXDomainNames.CXFIELD,
+			CXDomainNames.CXINTERFACE,
+			CXDomainNames.CXMODULE,
+			CXDomainNames.CXOPERATION,
+			CXDomainNames.CXPARAMETER,
+			CXDomainNames.CXPRIMITIVE,
+			CXDomainNames.CXSEQUENCE,
+			CXDomainNames.CXSTRING,
+			CXDomainNames.CXSTRUCT,
+			CXDomainNames.CXTYPE_DEF,
+			CXDomainNames.CXUNION,
+			CXDomainNames.CXUNION_FIELD,
+			CXDomainNames.CXWSTRING,
+			CXDomainNames.NATIVE
+	));
 
 	@Override
 	public IStatus validate(IValidationContext ctx) {
 
 		EObject objToVerify = ctx.getTarget();
 		
-		if (ZDLUtil.isZDLConcept(objToVerify, ZMLMMNames.NAMED_ELEMENT)) {
+		if (isCheckableElement(objToVerify)) {
 			Object nameObj = ZDLUtil.getValue(objToVerify, ZMLMMNames.NAMED_ELEMENT, ZMLMMNames.NAMED_ELEMENT__NAME);
 			if (nameObj instanceof String) {
 				String name = (String)nameObj;
@@ -53,9 +111,25 @@ public IStatus validate(IValidationContext ctx) {
 					return ctx.createSuccessStatus();
 				}
 			}
-			return ctx.createFailureStatus(nameObj.toString());
+			String invalidName = nameObj != null ? nameObj.toString() : "<null>";
+			return ctx.createFailureStatus(invalidName);
 		}
 
 		return null;
 	}
+	
+	private boolean isCheckableElement(EObject obj) {
+		if (!ZDLUtil.isZDLConcept(obj, ZMLMMNames.NAMED_ELEMENT))
+			return false;
+		List<Class> concepts = ZDLUtil.getZDLConcepts(obj);
+//		Set<Class> allConcepts = ZDLUtil.getAllZDLConcepts(objToVerify);
+		if (concepts == null)
+			return false;
+		for (Class umlClass: concepts) {
+			String qualifiedName = umlClass.getQualifiedName();
+			if (CHECKABLE_NAMED_ELEMENT_CONCEPTS.contains(qualifiedName))
+				return true;
+		}
+		return false;
+	}
 }