Index: lams_build/lib/lams/lams.jar
===================================================================
RCS file: /usr/local/cvsroot/lams_build/lib/lams/lams.jar,v
diff -u -r1.476 -r1.477
Binary files differ
Index: lams_central/src/java/org/lamsfoundation/lams/web/OrganisationGroupAction.java
===================================================================
RCS file: /usr/local/cvsroot/lams_central/src/java/org/lamsfoundation/lams/web/OrganisationGroupAction.java,v
diff -u -r1.12 -r1.13
--- lams_central/src/java/org/lamsfoundation/lams/web/OrganisationGroupAction.java	2 Dec 2015 20:00:44 -0000	1.12
+++ lams_central/src/java/org/lamsfoundation/lams/web/OrganisationGroupAction.java	15 Dec 2015 17:30:44 -0000	1.13
@@ -191,7 +191,7 @@
 	request.setAttribute(AttributeNames.PARAM_ORGANISATION_ID, organisationId);
 
 	// if this is a chosen group and lesson is created using integrations - show groups received from LMS instead of actual LAMS ones
-	if (lessonId != null && getIntegrationService().isLessonCreatedUsingIntegrations(lessonId)) {
+	if (lessonId != null && getIntegrationService().isIntegratedServerGroupFetchingAvailable(lessonId)) {
 	    List<ExtGroupDTO> extGroups = getIntegrationService().getExtGroups(lessonId, null);
 	    request.setAttribute("extGroups", extGroups);
 	    // TODO ? show only with user number >0
Index: lams_common/src/java/org/lamsfoundation/lams/integration/service/IIntegrationService.java
===================================================================
RCS file: /usr/local/cvsroot/lams_common/src/java/org/lamsfoundation/lams/integration/service/IIntegrationService.java,v
diff -u -r1.18 -r1.19
--- lams_common/src/java/org/lamsfoundation/lams/integration/service/IIntegrationService.java	1 Dec 2015 22:27:40 -0000	1.18
+++ lams_common/src/java/org/lamsfoundation/lams/integration/service/IIntegrationService.java	15 Dec 2015 17:30:33 -0000	1.19
@@ -150,12 +150,14 @@
     String getLessonFinishCallbackUrl(User user, Lesson lesson) throws UnsupportedEncodingException;
     
     /**
-     * Checks whether lesson was created using integrations.
+     * Checks whether lesson was created using integrations and whether according integrated server has ExtGroupsUrl
+     * property set up.
      * 
      * @param lessonId
-     * @return true in case lesson was created using integrations, false otherwise
+     * @return true in case lesson was created using integrations and according integrated server has ExtGroupsUrl
+     *         property set up, false otherwise
      */
-    boolean isLessonCreatedUsingIntegrations(Long lessonId);
+    boolean isIntegratedServerGroupFetchingAvailable(Long lessonId);
     
     List<ExtGroupDTO> getExtGroups(Long lessonId, String[] extGroupIds) throws Exception;
 }
Index: lams_common/src/java/org/lamsfoundation/lams/integration/service/IntegrationService.java
===================================================================
RCS file: /usr/local/cvsroot/lams_common/src/java/org/lamsfoundation/lams/integration/service/IntegrationService.java,v
diff -u -r1.36 -r1.37
--- lams_common/src/java/org/lamsfoundation/lams/integration/service/IntegrationService.java	1 Dec 2015 22:27:40 -0000	1.36
+++ lams_common/src/java/org/lamsfoundation/lams/integration/service/IntegrationService.java	15 Dec 2015 17:30:33 -0000	1.37
@@ -578,15 +578,17 @@
     }
     
     @Override
-    public boolean isLessonCreatedUsingIntegrations(Long lessonId) {
+    public boolean isIntegratedServerGroupFetchingAvailable(Long lessonId) {
 
-	boolean isLessonCreatedByIntegratedServer = false;
+	boolean isIntegratedServerGroupFetchingAvailable = false;
 	if (lessonId != null) {
 	    ExtServerLessonMap extServerLesson = getExtServerLessonMap(lessonId);
-	    isLessonCreatedByIntegratedServer = extServerLesson != null;
+	    
+	    isIntegratedServerGroupFetchingAvailable = (extServerLesson != null)
+		    && StringUtils.isNotBlank(extServerLesson.getExtServer().getExtGroupsUrl());	    
 	}
 
-	return isLessonCreatedByIntegratedServer;
+	return isIntegratedServerGroupFetchingAvailable;
     }
     
     @Override