diff --git a/plugins/org.eclipse.emf.cdo.net4j/src/org/eclipse/emf/cdo/net4j/CDONet4jViewProvider.java b/plugins/org.eclipse.emf.cdo.net4j/src/org/eclipse/emf/cdo/net4j/CDONet4jViewProvider.java
index 9be3e55..622f689 100644
--- a/plugins/org.eclipse.emf.cdo.net4j/src/org/eclipse/emf/cdo/net4j/CDONet4jViewProvider.java
+++ b/plugins/org.eclipse.emf.cdo.net4j/src/org/eclipse/emf/cdo/net4j/CDONet4jViewProvider.java
@@ -23,6 +23,7 @@
 import org.eclipse.net4j.util.container.FactoryNotFoundException;
 import org.eclipse.net4j.util.container.IManagedContainer;
 import org.eclipse.net4j.util.container.IPluginContainer;
+import org.eclipse.net4j.util.security.CredentialsProviderFactory;
 import org.eclipse.net4j.util.security.IPasswordCredentialsProvider;
 import org.eclipse.net4j.util.security.PasswordCredentialsProvider;
 
@@ -208,12 +209,25 @@
 
       try
       {
-        credentialsProvider = (IPasswordCredentialsProvider)getContainer().getElement("org.eclipse.net4j.util.credentialsProviders", "password", resource);
+        credentialsProvider = (IPasswordCredentialsProvider)getContainer().getElement(CredentialsProviderFactory.PRODUCT_GROUP, "password", resource);
       }
       catch (FactoryNotFoundException ex)
       {
         // Ignore
       }
+
+      // The following is to stay compatible with the formerly wrong product group (".security" was missing).
+      if (credentialsProvider == null)
+      {
+        try
+        {
+          credentialsProvider = (IPasswordCredentialsProvider)getContainer().getElement("org.eclipse.net4j.util.credentialsProviders", "password", resource);
+        }
+        catch (FactoryNotFoundException ex)
+        {
+          // Ignore
+        }
+      }
     }
 
     configuration.setCredentialsProvider(credentialsProvider);
diff --git a/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOUtil.java b/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOUtil.java
index 3c8f64e..38ab952 100644
--- a/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOUtil.java
+++ b/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOUtil.java
@@ -68,6 +68,7 @@
 import org.eclipse.net4j.util.concurrent.DelegableReentrantLock;
 import org.eclipse.net4j.util.container.IPluginContainer;
 import org.eclipse.net4j.util.om.OMPlatform;
+import org.eclipse.net4j.util.security.CredentialsProviderFactory;
 import org.eclipse.net4j.util.security.IPasswordCredentialsProvider;
 
 import org.eclipse.emf.common.notify.Adapter;
@@ -829,6 +830,9 @@
     data.setTransactional(false);
 
     String resource = data.toString();
+    IPluginContainer.INSTANCE.putElement(CredentialsProviderFactory.PRODUCT_GROUP, "password", resource, provider);
+
+    // The following is to stay compatible with the formerly wrong product group (".security" was missing).
     IPluginContainer.INSTANCE.putElement("org.eclipse.net4j.util.credentialsProviders", "password", resource, provider);
   }