diff --git a/scm-webapp/src/main/java/sonia/scm/plugin/Aether.java b/scm-webapp/src/main/java/sonia/scm/plugin/Aether.java
index 4cbd33185f..0ad53e62c3 100644
--- a/scm-webapp/src/main/java/sonia/scm/plugin/Aether.java
+++ b/scm-webapp/src/main/java/sonia/scm/plugin/Aether.java
@@ -48,8 +48,6 @@ import org.sonatype.aether.collection.DependencyGraphTransformer;
 import org.sonatype.aether.graph.Dependency;
 import org.sonatype.aether.graph.DependencyFilter;
 import org.sonatype.aether.graph.DependencyNode;
-import org.sonatype.aether.repository.Authentication;
-import org.sonatype.aether.repository.AuthenticationSelector;
 import org.sonatype.aether.repository.LocalRepository;
 import org.sonatype.aether.repository.LocalRepositoryManager;
 import org.sonatype.aether.repository.Proxy;
@@ -81,10 +79,8 @@ public final class Aether
 
   /** Field description */
   private static final DependencyFilter FILTER =
-    new AndDependencyFilter(
-      new CoreDependencyFilter(),
-      new BlacklistDependencyFilter()
-    );
+    new AndDependencyFilter(new CoreDependencyFilter(),
+      new BlacklistDependencyFilter());
 
   /**
    * the logger for Aether
@@ -176,12 +172,14 @@ public final class Aether
    * @param system
    * @param localRepository
    * @param configuration
+   * @param advancedPluginConfiguration
    *
    * @return
    */
   public static RepositorySystemSession createRepositorySystemSession(
     RepositorySystem system, LocalRepository localRepository,
-    ScmConfiguration configuration)
+    ScmConfiguration configuration,
+    AdvancedPluginConfiguration advancedPluginConfiguration)
   {
     MavenRepositorySystemSession session = new MavenRepositorySystemSession();
 
@@ -197,6 +195,9 @@ public final class Aether
       system.newLocalRepositoryManager(localRepository);
 
     session.setLocalRepositoryManager(localRepositoryManager);
+    session.setAuthenticationSelector(
+      new AetherAuthenticationSelector(advancedPluginConfiguration)
+    );
 
     // create graph transformer to resolve dependency conflicts
     //J-
diff --git a/scm-webapp/src/main/java/sonia/scm/plugin/AetherDependencyResolver.java b/scm-webapp/src/main/java/sonia/scm/plugin/AetherDependencyResolver.java
index 67bf4e8a40..6505a8f5f2 100644
--- a/scm-webapp/src/main/java/sonia/scm/plugin/AetherDependencyResolver.java
+++ b/scm-webapp/src/main/java/sonia/scm/plugin/AetherDependencyResolver.java
@@ -77,15 +77,18 @@ public class AetherDependencyResolver
    *
    *
    * @param configuration
+   * @param advancedPluginConfiguration
    * @param system
    * @param localRepository
    * @param remoteRepositories
    */
   public AetherDependencyResolver(ScmConfiguration configuration,
+    AdvancedPluginConfiguration advancedPluginConfiguration,
     RepositorySystem system, LocalRepository localRepository,
     List<RemoteRepository> remoteRepositories)
   {
     this.configuration = configuration;
+    this.advancedPluginConfiguration = advancedPluginConfiguration;
     this.system = system;
     this.localRepository = localRepository;
     this.remoteRepositories = remoteRepositories;
@@ -169,7 +172,7 @@ public class AetherDependencyResolver
     if (session == null)
     {
       session = Aether.createRepositorySystemSession(system, localRepository,
-        configuration);
+        configuration, advancedPluginConfiguration);
     }
 
     return session;
@@ -177,6 +180,9 @@ public class AetherDependencyResolver
 
   //~--- fields ---------------------------------------------------------------
 
+  /** Field description */
+  private final AdvancedPluginConfiguration advancedPluginConfiguration;
+
   /** Field description */
   private ScmConfiguration configuration;
 
diff --git a/scm-webapp/src/main/java/sonia/scm/plugin/AetherPluginHandler.java b/scm-webapp/src/main/java/sonia/scm/plugin/AetherPluginHandler.java
index 37c4c6235e..b122463a24 100644
--- a/scm-webapp/src/main/java/sonia/scm/plugin/AetherPluginHandler.java
+++ b/scm-webapp/src/main/java/sonia/scm/plugin/AetherPluginHandler.java
@@ -82,8 +82,6 @@ public class AetherPluginHandler
 
   //~--- constructors ---------------------------------------------------------
 
-  private final AdvancedPluginConfiguration advancedPluginConfiguration;
-  
   /**
    * Constructs ...
    *
@@ -92,9 +90,11 @@ public class AetherPluginHandler
    * @param pluginManager
    * @param context
    * @param configuration
+   * @param advancedPluginConfiguration
    */
   public AetherPluginHandler(PluginManager pluginManager,
-    SCMContextProvider context, ScmConfiguration configuration, AdvancedPluginConfiguration advancedPluginConfiguration)
+    SCMContextProvider context, ScmConfiguration configuration,
+    AdvancedPluginConfiguration advancedPluginConfiguration)
   {
     this.pluginManager = pluginManager;
     this.configuration = configuration;
@@ -127,7 +127,7 @@ public class AetherPluginHandler
         logger.error("could not read classpath file", ex);
       }
     }
-   
+
     IOUtil.mkdirs(localRepositoryDirectory);
     repositorySystem = Aether.createRepositorySystem();
     localRepository = new LocalRepository(localRepositoryDirectory);
@@ -198,9 +198,12 @@ public class AetherPluginHandler
   {
     try
     {
-      AetherDependencyResolver resolver =
-        new AetherDependencyResolver(configuration, repositorySystem,
-          localRepository, remoteRepositories);
+      //J-
+      AetherDependencyResolver resolver = new AetherDependencyResolver(
+        configuration, advancedPluginConfiguration, repositorySystem, 
+        localRepository, remoteRepositories
+      );
+      //J+
 
       resolver.resolveDependencies(dependency, localDependencies);
 
@@ -340,6 +343,9 @@ public class AetherPluginHandler
 
   //~--- fields ---------------------------------------------------------------
 
+  /** Field description */
+  private final AdvancedPluginConfiguration advancedPluginConfiguration;
+
   /** Field description */
   private Classpath classpath;
 
diff --git a/scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java b/scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java
index 85c7eeef4e..98479f77ec 100644
--- a/scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java
+++ b/scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java
@@ -98,6 +98,10 @@ public class DefaultPluginManager
   /** Field description */
   public static final String ENCODING = "UTF-8";
 
+  /** Field description */
+  private static final String ADVANCED_CONFIGURATION =
+    "advanced-configuration.xml";
+
   /** the logger for DefaultPluginManager */
   private static final Logger logger =
     LoggerFactory.getLogger(DefaultPluginManager.class);
@@ -106,9 +110,6 @@ public class DefaultPluginManager
   public static final PluginFilter FILTER_UPDATES =
     new StatePluginFilter(PluginState.UPDATE_AVAILABLE);
 
-  
-  private static final String ADVANCED_CONFIGURATION = "advanced-configuration.xml";
-  
   //~--- constructors ---------------------------------------------------------
 
   /**
@@ -151,21 +152,23 @@ public class DefaultPluginManager
     {
       throw new ConfigurationException(ex);
     }
-    
+
     File file = new File(context.getBaseDirectory(), ADVANCED_CONFIGURATION);
+
     if (file.exists())
     {
-      advancedPluginConfiguration = JAXB.unmarshal(file, AdvancedPluginConfiguration.class);
-    } else {
+      logger.info("load advanced plugin configuration from {}", file);
+      advancedPluginConfiguration = JAXB.unmarshal(file,
+        AdvancedPluginConfiguration.class);
+    }
+    else
+    {
+      logger.debug("no advanced plugin configuration found");
       advancedPluginConfiguration = new AdvancedPluginConfiguration();
     }
 
     this.configuration.addListener(this);
   }
-  
-    
-  private final AdvancedPluginConfiguration advancedPluginConfiguration;
-  
 
   //~--- methods --------------------------------------------------------------
 
@@ -650,10 +653,12 @@ public class DefaultPluginManager
             if (pluginHandler == null)
             {
               pluginHandler = new AetherPluginHandler(this,
-                SCMContext.getContext(), configuration, advancedPluginConfiguration);
+                SCMContext.getContext(), configuration,
+                advancedPluginConfiguration);
             }
-            
+
             Builder<PluginRepository> builder = ImmutableSet.builder();
+
             builder.addAll(advancedPluginConfiguration.getRepositories());
             builder.addAll(center.getRepositories());
 
@@ -760,6 +765,9 @@ public class DefaultPluginManager
 
   //~--- fields ---------------------------------------------------------------
 
+  /** Field description */
+  private final AdvancedPluginConfiguration advancedPluginConfiguration;
+
   /** Field description */
   private Cache<String, PluginCenter> cache;