diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetMetadataPanel.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetMetadataPanel.java
index e8abfb33bef368ccbe026968e8039e9e4cc99702..cec1a6385112cf3e4929a384a8f72b47a0e37cf5 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetMetadataPanel.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetMetadataPanel.java
@@ -21,8 +21,10 @@ import static ch.systemsx.cisd.openbis.dss.client.api.gui.DataSetUploadClient.BU
 import static ch.systemsx.cisd.openbis.dss.client.api.gui.DataSetUploadClient.LABEL_WIDTH;
 
 import java.awt.CardLayout;
+import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
+import java.awt.Font;
 import java.awt.Frame;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
@@ -40,6 +42,7 @@ import java.util.HashMap;
 import java.util.List;
 
 import javax.swing.AbstractButton;
+import javax.swing.BorderFactory;
 import javax.swing.ButtonGroup;
 import javax.swing.JButton;
 import javax.swing.JComboBox;
@@ -48,7 +51,10 @@ import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
 import javax.swing.JTextField;
+import javax.swing.ScrollPaneConstants;
 
 import ch.systemsx.cisd.openbis.dss.client.api.gui.DataSetUploadClientModel.NewDataSetInfo;
 import ch.systemsx.cisd.openbis.dss.generic.shared.api.v1.NewDataSetDTO.DataSetOwnerType;
@@ -92,6 +98,10 @@ public class DataSetMetadataPanel extends JPanel
     private final HashMap<String, DataSetPropertiesPanel> propertiesPanels =
             new HashMap<String, DataSetPropertiesPanel>();
 
+    private final JTextArea validationErrors = new JTextArea("Błędy");
+
+    private final JScrollPane validationErrorsPane = new JScrollPane(validationErrors);
+
     private NewDataSetInfo newDataSetInfo;
 
     public DataSetMetadataPanel(DataSetUploadClientModel clientModel, JFrame mainWindow)
@@ -121,6 +131,16 @@ public class DataSetMetadataPanel extends JPanel
         dataSetFileButton = new JButton("Browse...");
         dataSetFileLabel = new JLabel("File:", JLabel.TRAILING);
 
+        validationErrors.setEditable(false);
+        validationErrors.setBackground(getBackground());
+        validationErrors.setFont(new Font(getFont().getName(), Font.BOLD, getFont().getSize()));
+        validationErrors.setForeground(Color.RED);
+        validationErrors.setLineWrap(true);
+        validationErrors.setWrapStyleWord(true);
+        validationErrorsPane.setBorder(BorderFactory.createEmptyBorder());
+        validationErrorsPane
+                .setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
+
         createGui();
     }
 
@@ -329,6 +349,7 @@ public class DataSetMetadataPanel extends JPanel
 
         createDataSetTypePanel();
         addRow(4, dataSetTypePanel);
+        addRow(5, validationErrorsPane);
     }
 
     private void setDataSetType(String dataSetType)
@@ -455,7 +476,7 @@ public class DataSetMetadataPanel extends JPanel
         c.gridy = rowy;
         c.gridwidth = GridBagConstraints.REMAINDER;
         c.weightx = 0;
-        c.weighty = 0;
+        c.weighty = 1;
         c.insets = new Insets((rowy > 0) ? 5 : 0, 0, 0, 5);
         add(comp, c);
     }
@@ -504,8 +525,8 @@ public class DataSetMetadataPanel extends JPanel
     public void syncErrors()
     {
         // Clear all errors first
-        clearError(ownerIdLabel, ownerIdText);
-        clearError(dataSetFileLabel, dataSetFileComboBox);
+        clearError(ownerIdLabel, ownerIdText, null);
+        clearError(dataSetFileLabel, dataSetFileComboBox, validationErrors);
 
         List<ValidationError> errors = newDataSetInfo.getValidationErrors();
         for (ValidationError error : errors)
@@ -513,7 +534,7 @@ public class DataSetMetadataPanel extends JPanel
             switch (error.getTarget())
             {
                 case DATA_SET_OWNER:
-                    displayError(ownerIdLabel, ownerIdText, error);
+                    displayError(ownerIdLabel, ownerIdText, null, error);
                     break;
 
                 case DATA_SET_TYPE:
@@ -521,7 +542,7 @@ public class DataSetMetadataPanel extends JPanel
                     break;
 
                 case DATA_SET_FILE:
-                    displayError(dataSetFileLabel, dataSetFileComboBox, error);
+                    displayError(dataSetFileLabel, dataSetFileComboBox, validationErrors, error);
                     break;
 
                 case DATA_SET_PROPERTY:
@@ -536,19 +557,20 @@ public class DataSetMetadataPanel extends JPanel
         }
     }
 
-    private void displayError(JLabel label, JComponent component, ValidationError error)
+    private void displayError(JLabel label, JComponent component, JTextArea errorAreaOrNull,
+            ValidationError error)
     {
         // Not all errors are applicable to this panel
         if (null == label || null == component)
         {
             return;
         }
-        UiUtilities.displayError(label, component, error);
+        UiUtilities.displayError(label, component, errorAreaOrNull, error);
     }
 
-    private void clearError(JLabel label, JComponent component)
+    private void clearError(JLabel label, JComponent component, JTextArea errorAreaOrNull)
     {
-        UiUtilities.clearError(label, component);
+        UiUtilities.clearError(label, component, errorAreaOrNull);
         component.setToolTipText(label.getToolTipText());
     }
 
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetPropertiesPanel.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetPropertiesPanel.java
index 62aa5ba3ec1d87955c0a989afe7ff10c498d4c57..c2ee87197a99039b803cc236f39cd51f41526144 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetPropertiesPanel.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetPropertiesPanel.java
@@ -358,12 +358,12 @@ public class DataSetPropertiesPanel extends JPanel
         {
             return;
         }
-        UiUtilities.displayError(label, component, error);
+        UiUtilities.displayError(label, component, null, error);
     }
 
     private void clearError(JLabel label, JComponent component)
     {
-        UiUtilities.clearError(label, component);
+        UiUtilities.clearError(label, component, null);
         component.setToolTipText(label.getToolTipText());
     }
 
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetUploadClient.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetUploadClient.java
index 41e18b6f58348017d28442ebbc58d1bd79a04222..d57e31d92713420ace4dcbd4514a80b073ae81ea 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetUploadClient.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/DataSetUploadClient.java
@@ -270,7 +270,7 @@ public class DataSetUploadClient extends AbstractSwingGUI
         spacer.setPreferredSize(new Dimension(15, 15));
         window.add(spacer, BorderLayout.SOUTH);
         window.pack();
-        window.setBounds(20, 40, 600, 400);
+        window.setBounds(20, 40, 600, 450);
         window.setLocationByPlatform(true);
         window.setVisible(true);
 
diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/UiUtilities.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/UiUtilities.java
index 19fcaa9cbb038b1aaa6eb8b6aaaaea8d9b6929d6..988ace56119665b79858058f60764d7941c1d715 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/UiUtilities.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/gui/UiUtilities.java
@@ -20,6 +20,7 @@ import java.awt.Color;
 
 import javax.swing.JComponent;
 import javax.swing.JLabel;
+import javax.swing.JTextArea;
 
 import ch.systemsx.cisd.openbis.dss.generic.shared.api.v1.validation.ValidationError;
 
@@ -29,16 +30,27 @@ import ch.systemsx.cisd.openbis.dss.generic.shared.api.v1.validation.ValidationE
 public class UiUtilities
 {
 
-    public static void displayError(JLabel label, JComponent component, ValidationError error)
+    public static void displayError(JLabel label, JComponent component, JTextArea errorAreaOrNull,
+            ValidationError error)
     {
         component.setToolTipText(error.getErrorMessage());
         label.setForeground(Color.RED);
+        if (errorAreaOrNull != null)
+        {
+            errorAreaOrNull.setText("File validation error: " + error.getErrorMessage());
+            errorAreaOrNull.setToolTipText(error.getErrorMessage());
+        }
     }
 
-    public static void clearError(JLabel label, JComponent component)
+    public static void clearError(JLabel label, JComponent component, JTextArea errorAreaOrNull)
     {
         component.setToolTipText(null);
         label.setForeground(Color.BLACK);
+        if (errorAreaOrNull != null)
+        {
+            errorAreaOrNull.setText(null);
+            errorAreaOrNull.setToolTipText(null);
+        }
     }
 
 }