diff --git a/dali/base/dadfs.cpp b/dali/base/dadfs.cpp
index 355b9f2bb4a..10ecce32320 100644
--- a/dali/base/dadfs.cpp
+++ b/dali/base/dadfs.cpp
@@ -10580,8 +10580,12 @@ class CInitGroups
 
     void ensureStorageGroup(bool force, const char * name, unsigned numDevices, const char * path, StringBuffer & messages)
     {
-        Owned<IPropertyTree> newClusterGroup = createStorageGroup(name, numDevices, path);
-        ensureConsistentStorageGroup(force, name, newClusterGroup, messages);
+        //Lower case the group name - see CNamedGroupStore::dolookup which lower cases before resolving.
+        StringBuffer gname;
+        gname.append(name).toLowerCase();
+
+        Owned<IPropertyTree> newClusterGroup = createStorageGroup(gname, numDevices, path);
+        ensureConsistentStorageGroup(force, gname, newClusterGroup, messages);
     }
 
     void constructStorageGroups(bool force, StringBuffer &messages)
@@ -10620,7 +10624,7 @@ class CInitGroups
                 }
                 else if (plane.hasProp("hostGroup"))
                 {
-                    throw makeStringExceptionV(-1, "Use 'hosts' rather than 'hostGroup' for inline list of hosts for plane %s", name);
+                    throw makeStringExceptionV(-1, "Use 'hosts' rather than 'hostGroup' for inline list of hosts for plane %s", gname.str());
                 }
                 else if (plane.hasProp("hosts"))
                 {
@@ -10635,9 +10639,9 @@ class CInitGroups
                 {
                     //Locally mounted, or url accessed storage plane - no associated hosts, localhost used as a placeholder
                     unsigned numDevices = plane.getPropInt("@numDevices", 1);
-                    newClusterGroup.setown(createStorageGroup(name, numDevices, prefix));
+                    newClusterGroup.setown(createStorageGroup(gname, numDevices, prefix));
                 }
-                ensureConsistentStorageGroup(force, name, newClusterGroup, messages);
+                ensureConsistentStorageGroup(force, gname, newClusterGroup, messages);
             }
         }
     }