diff -r 947f0dc9f7a8 -r ef2a444a7410 userlibandfileserver/fileserver/sfile/sf_svr.cpp
--- a/userlibandfileserver/fileserver/sfile/sf_svr.cpp	Fri Apr 16 16:24:37 2010 +0300
+++ b/userlibandfileserver/fileserver/sfile/sf_svr.cpp	Mon May 03 13:47:38 2010 +0300
@@ -1314,8 +1314,13 @@
 
                 return KErrNone;
             }
-
-            
+            case EFSysExtensionsSupported:
+            {
+                TBool supported = pDrive->GetFSys()->IsExtensionSupported();
+                TPckgBuf<TBool> data(supported);
+                aRequest->WriteL(KMsgPtr2,data);
+                return KErrNone;
+            }
 		default:
 			{
 			return KErrNotSupported;