diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/config/basics/SubjectFactories.java b/incubator/api/src/main/java/org/onosproject/incubator/net/config/basics/SubjectFactories.java
index fe548df..a91a352 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/config/basics/SubjectFactories.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/config/basics/SubjectFactories.java
@@ -16,6 +16,7 @@
 package org.onosproject.incubator.net.config.basics;
 
 import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
 import org.onosproject.incubator.net.config.SubjectFactory;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
@@ -33,12 +34,14 @@
     private SubjectFactories() {
     }
 
+    // Required for resolving application identifiers
+    private static CoreService coreService;
+
     public static final SubjectFactory<ApplicationId> APP_SUBJECT_FACTORY =
             new SubjectFactory<ApplicationId>(ApplicationId.class, "apps") {
                 @Override
                 public ApplicationId createSubject(String key) {
-                    // FIXME: figure out how to safely create sanctioned app ids
-                    return null;
+                    return coreService.registerApplication(key);
                 }
             };
 
@@ -77,4 +80,14 @@
                 }
             };
 
+    /**
+     * Provides reference to the core service, which is required for
+     * application subject factory.
+     *
+     * @param service core service reference
+     */
+    public static void setCoreService(CoreService service) {
+        coreService = service;
+    }
+
 }
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/BasicNetworkConfigs.java b/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/BasicNetworkConfigs.java
index 9356d34..4196aa8 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/BasicNetworkConfigs.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/config/impl/BasicNetworkConfigs.java
@@ -21,12 +21,14 @@
 import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.core.CoreService;
 import org.onosproject.incubator.net.config.ConfigFactory;
 import org.onosproject.incubator.net.config.NetworkConfigRegistry;
 import org.onosproject.incubator.net.config.basics.BasicDeviceConfig;
 import org.onosproject.incubator.net.config.basics.BasicHostConfig;
 import org.onosproject.incubator.net.config.basics.BasicLinkConfig;
 import org.onosproject.incubator.net.config.basics.BasicPortConfig;
+import org.onosproject.incubator.net.config.basics.SubjectFactories;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.HostId;
@@ -36,10 +38,7 @@
 
 import java.util.Set;
 
-import static org.onosproject.incubator.net.config.basics.SubjectFactories.CONNECT_POINT_SUBJECT_FACTORY;
-import static org.onosproject.incubator.net.config.basics.SubjectFactories.DEVICE_SUBJECT_FACTORY;
-import static org.onosproject.incubator.net.config.basics.SubjectFactories.HOST_SUBJECT_FACTORY;
-import static org.onosproject.incubator.net.config.basics.SubjectFactories.LINK_SUBJECT_FACTORY;
+import static org.onosproject.incubator.net.config.basics.SubjectFactories.*;
 
 /**
  * Component for registration of builtin basic network configurations.
@@ -59,8 +58,8 @@
                 }
             },
             new ConfigFactory<ConnectPoint, BasicPortConfig>(CONNECT_POINT_SUBJECT_FACTORY,
-                                                                BasicPortConfig.class,
-                                                                "basic") {
+                                                             BasicPortConfig.class,
+                                                             "basic") {
                 @Override
                 public BasicPortConfig createConfig() {
                     return new BasicPortConfig();
@@ -85,10 +84,14 @@
     );
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected NetworkConfigRegistry registry;
 
     @Activate
     public void activate() {
+        SubjectFactories.setCoreService(coreService);
         factories.forEach(registry::registerConfigFactory);
         log.info("Started");
     }