Index: /trunk/src/VBox/Devices/Storage/ParallelsHDDCore.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/ParallelsHDDCore.cpp	(revision 31183)
+++ /trunk/src/VBox/Devices/Storage/ParallelsHDDCore.cpp	(revision 31184)
@@ -882,5 +882,5 @@
     /* Image must be opened and the new flags must be valid. Just readonly and
      * info flags are supported. */
-    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO)))
+    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO | VD_OPEN_FLAGS_SHAREABLE)))
     {
         rc = VERR_INVALID_PARAMETER;
Index: /trunk/src/VBox/Devices/Storage/VDIHDDCore.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VDIHDDCore.cpp	(revision 31183)
+++ /trunk/src/VBox/Devices/Storage/VDIHDDCore.cpp	(revision 31184)
@@ -883,4 +883,5 @@
                                        &pImage->Header.u.v0, sizeof(pImage->Header.u.v0),
                                        pIoCtx);
+
             break;
         case 1:
@@ -1667,5 +1668,5 @@
     /* Image must be opened and the new flags must be valid. Just readonly and
      * info flags are supported. */
-    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO | VD_OPEN_FLAGS_ASYNC_IO)))
+    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO | VD_OPEN_FLAGS_ASYNC_IO | VD_OPEN_FLAGS_SHAREABLE)))
     {
         rc = VERR_INVALID_PARAMETER;
Index: /trunk/src/VBox/Devices/Storage/VHDHDDCore.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VHDHDDCore.cpp	(revision 31183)
+++ /trunk/src/VBox/Devices/Storage/VHDHDDCore.cpp	(revision 31184)
@@ -1089,5 +1089,5 @@
     /* Image must be opened and the new flags must be valid. Just readonly and
      * info flags are supported. */
-    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO)))
+    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO | VD_OPEN_FLAGS_SHAREABLE)))
     {
         rc = VERR_INVALID_PARAMETER;
Index: /trunk/src/VBox/Devices/Storage/VmdkHDDCore.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VmdkHDDCore.cpp	(revision 31183)
+++ /trunk/src/VBox/Devices/Storage/VmdkHDDCore.cpp	(revision 31184)
@@ -2669,4 +2669,5 @@
     RTMemFree(pszDescriptor);
     return rc;
+
 }
 
@@ -5661,4 +5662,5 @@
         goto out;
     }
+
 
     /* Clip read range to remain in this extent. */
@@ -6145,5 +6147,5 @@
     /* Image must be opened and the new flags must be valid. Just readonly and
      * info flags are supported. */
-    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO | VD_OPEN_FLAGS_ASYNC_IO)))
+    if (!pImage || (uOpenFlags & ~(VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO | VD_OPEN_FLAGS_ASYNC_IO | VD_OPEN_FLAGS_SHAREABLE)))
     {
         rc = VERR_INVALID_PARAMETER;