Index: continuum-webapp/src/main/java/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction.java
===================================================================
--- continuum-webapp/src/main/java/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction.java	(revision 697686)
+++ continuum-webapp/src/main/java/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction.java	(working copy)
@@ -135,18 +135,25 @@
     public String save()
         throws Exception
     {
+        BuildDefinitionTemplate result = null;
         List<BuildDefinition> selectedBuildDefinitions = getBuildDefinitionsFromSelectedBuildDefinitions();
         if ( this.buildDefinitionTemplate.getId() > 0 )
         {
             buildDefinitionTemplate.setBuildDefinitions( selectedBuildDefinitions );
-            this.getContinuum().getBuildDefinitionService().updateBuildDefinitionTemplate( buildDefinitionTemplate );
+            result = this.getContinuum().getBuildDefinitionService().updateBuildDefinitionTemplate( buildDefinitionTemplate );
         }
         else
         {
             buildDefinitionTemplate.setBuildDefinitions( selectedBuildDefinitions );
-            this.buildDefinitionTemplate = this.getContinuum().getBuildDefinitionService()
+            result = this.buildDefinitionTemplate = this.getContinuum().getBuildDefinitionService()
                 .addBuildDefinitionTemplate( buildDefinitionTemplate );
         }
+            
+        if ( result == null )
+        {
+            addActionError( getText( "buildDefintionTemplate.name.exists" ) );
+            return INPUT;
+        }
 
         return SUCCESS;
     }
Index: continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction_pt_BR.properties
===================================================================
--- continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction_pt_BR.properties	(revision 697686)
+++ continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction_pt_BR.properties	(working copy)
@@ -17,5 +17,6 @@
 # under the License.
 #
 buildDefintionTemplate.name.required = Nome é obrigatório
+buildDefintionTemplate.name.required = Nome já existe
 buildDefintion.buildFile.required = Arquivo de Build é obrigatório
 buildDefintion.description.required = Descrição é obrigatória
\ No newline at end of file
Index: continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction_fr.properties
===================================================================
--- continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction_fr.properties	(revision 697686)
+++ continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction_fr.properties	(working copy)
@@ -17,5 +17,6 @@
 # under the License.
 #
 buildDefintionTemplate.name.required = le nom est obligatoire
+buildDefintionTemplate.name.required = nom existe déjà
 buildDefintion.buildFile.required = le fichier de construction est obligatoire
 buildDefintion.description.required = la description est obligatoire
Index: continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction.properties
===================================================================
--- continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction.properties	(revision 697686)
+++ continuum-webapp/src/main/resources/org/apache/maven/continuum/web/action/admin/BuildDefinitionTemplateAction.properties	(working copy)
@@ -17,5 +17,6 @@
 # under the License.
 #
 buildDefintionTemplate.name.required = Name is required
+buildDefintionTemplate.name.exists = Name already exists
 buildDefintion.buildFile.required = BuildFile is required
 buildDefintion.description.required = Description is required
\ No newline at end of file