diff --git a/modules/dcache/src/main/java/org/dcache/util/ConfigurationProperties.java b/modules/dcache/src/main/java/org/dcache/util/ConfigurationProperties.java
index aa37c40eff1..fe2d4aa7efe 100644
--- a/modules/dcache/src/main/java/org/dcache/util/ConfigurationProperties.java
+++ b/modules/dcache/src/main/java/org/dcache/util/ConfigurationProperties.java
@@ -271,6 +271,9 @@ protected void checkIsAllowed(AnnotatedKey key, String value)
         if (existingKey != null) {
             checkKeyValid(existingKey, key);
             checkDataValid(existingKey, value);
+        } else if (name.indexOf('/') > -1) {
+            _problemConsumer.error(
+                    "Property " + name + " is a scoped property. Scoped properties are no longer supported.");
         } else if (!_usageChecker.isStandardProperty(defaults, name)) {
             // TODO: It would be nice if we could check whether the property is actually
             // used, ie if it appears as part of the value of a standard property. To do this
diff --git a/modules/dcache/src/test/java/org/dcache/util/ConfigurationPropertiesTests.java b/modules/dcache/src/test/java/org/dcache/util/ConfigurationPropertiesTests.java
index 697e90034d6..17813b9f570 100644
--- a/modules/dcache/src/test/java/org/dcache/util/ConfigurationPropertiesTests.java
+++ b/modules/dcache/src/test/java/org/dcache/util/ConfigurationPropertiesTests.java
@@ -93,6 +93,8 @@ public class ConfigurationPropertiesTests {
 
     private static final String EXPANDING_PROPERTY_NAME = "expanding-key";
 
+    private static final String SCOPED_PROPERTY_NAME = "scoped/property";
+
     private ConfigurationProperties _properties;
     private ConfigurationProperties _initiallyEmptyProperties;
     private ConfigurationProperties _standardProperties;
@@ -295,6 +297,11 @@ public void testForbiddenWithErrorPropertyPut() {
         }
     }
 
+    @Test(expected = IllegalArgumentException.class)
+    public void testScopedPropertyPut() {
+        _properties.put(SCOPED_PROPERTY_NAME, "some value");
+    }
+
     @Test
     public void testStringPropertyNames()
     {