diff --git a/src/vbox/vbox_storage.c b/src/vbox/vbox_storage.c
index 75711f7a66..805d0d2e3a 100644
--- a/src/vbox/vbox_storage.c
+++ b/src/vbox/vbox_storage.c
@@ -276,3 +276,70 @@ virStorageVolPtr vboxStorageVolLookupByName(virStoragePoolPtr pool, const char *
 
     return ret;
 }
+
+virStorageVolPtr vboxStorageVolLookupByKey(virConnectPtr conn, const char *key)
+{
+    vboxGlobalData *data = conn->privateData;
+    vboxIIDUnion hddIID;
+    unsigned char uuid[VIR_UUID_BUFLEN];
+    IHardDisk *hardDisk = NULL;
+    PRUnichar *hddNameUtf16 = NULL;
+    char *hddNameUtf8 = NULL;
+    PRUint32 hddstate;
+    nsresult rc;
+    virStorageVolPtr ret = NULL;
+
+    if (!data->vboxObj) {
+        return ret;
+    }
+
+    VBOX_IID_INITIALIZE(&hddIID);
+    if (!key)
+        return ret;
+
+    if (virUUIDParse(key, uuid) < 0) {
+        virReportError(VIR_ERR_INVALID_ARG,
+                       _("Could not parse UUID from '%s'"), key);
+        return NULL;
+    }
+
+    vboxIIDFromUUID(&hddIID, uuid);
+    rc = gVBoxAPI.UIVirtualBox.GetHardDiskByIID(data->vboxObj, &hddIID, &hardDisk);
+    if (NS_FAILED(rc))
+        goto cleanup;
+
+    gVBoxAPI.UIMedium.GetState(hardDisk, &hddstate);
+    if (hddstate == MediaState_Inaccessible)
+        goto cleanup;
+
+    gVBoxAPI.UIMedium.GetName(hardDisk, &hddNameUtf16);
+    if (!hddNameUtf16)
+        goto cleanup;
+
+    VBOX_UTF16_TO_UTF8(hddNameUtf16, &hddNameUtf8);
+    if (!hddNameUtf8) {
+        VBOX_UTF16_FREE(hddNameUtf16);
+        goto cleanup;
+    }
+
+    if (vboxConnectNumOfStoragePools(conn) == 1) {
+        ret = virGetStorageVol(conn, "default-pool", hddNameUtf8, key,
+                               NULL, NULL);
+        VIR_DEBUG("Storage Volume Pool: %s", "default-pool");
+    } else {
+        /* TODO: currently only one default pool and thus
+         * nothing here, change it when pools are supported
+         */
+    }
+
+    VIR_DEBUG("Storage Volume Name: %s", key);
+    VIR_DEBUG("Storage Volume key : %s", hddNameUtf8);
+
+    VBOX_UTF8_FREE(hddNameUtf8);
+    VBOX_UTF16_FREE(hddNameUtf16);
+
+ cleanup:
+    VBOX_MEDIUM_RELEASE(hardDisk);
+    vboxIIDUnalloc(&hddIID);
+    return ret;
+}
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index cc7e35e0c8..e8cfa98b6b 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -104,7 +104,10 @@ typedef IUSBDeviceFilters IUSBCommon;
 
 #if VBOX_API_VERSION < 3001000
 typedef IHardDiskAttachment IMediumAttachment;
-#endif /* VBOX_API_VERSION < 3001000 */
+#else  /* VBOX_API_VERSION >= 3001000 */
+typedef IMedium IHardDisk;
+typedef IMediumAttachment IHardDiskAttachment;
+#endif /* VBOX_API_VERSION >= 3001000 */
 
 #include "vbox_uniformed_api.h"
 
@@ -171,8 +174,6 @@ if (arg)\
 
 #else  /* VBOX_API_VERSION >= 3001000 */
 
-typedef IMedium IHardDisk;
-typedef IMediumAttachment IHardDiskAttachment;
 # define MediaState_Inaccessible     MediumState_Inaccessible
 # define HardDiskVariant_Standard    MediumVariant_Standard
 # define HardDiskVariant_Fixed       MediumVariant_Fixed
@@ -2033,72 +2034,6 @@ _registerDomainEvent(virHypervisorDriverPtr driver)
  * The Storage Functions here on
  */
 
-static virStorageVolPtr
-vboxStorageVolLookupByKey(virConnectPtr conn, const char *key)
-{
-    VBOX_OBJECT_CHECK(conn, virStorageVolPtr, NULL);
-    vboxIID hddIID = VBOX_IID_INITIALIZER;
-    unsigned char uuid[VIR_UUID_BUFLEN];
-    IHardDisk *hardDisk  = NULL;
-    nsresult rc;
-
-    if (!key)
-        return ret;
-
-    if (virUUIDParse(key, uuid) < 0) {
-        virReportError(VIR_ERR_INVALID_ARG,
-                       _("Could not parse UUID from '%s'"), key);
-        return NULL;
-    }
-
-    vboxIIDFromUUID(&hddIID, uuid);
-#if VBOX_API_VERSION < 4000000
-    rc = data->vboxObj->vtbl->GetHardDisk(data->vboxObj, hddIID.value, &hardDisk);
-#elif VBOX_API_VERSION >= 4000000 && VBOX_API_VERSION < 4002000
-    rc = data->vboxObj->vtbl->FindMedium(data->vboxObj, hddIID.value,
-                                         DeviceType_HardDisk, &hardDisk);
-#else
-    rc = data->vboxObj->vtbl->OpenMedium(data->vboxObj, hddIID.value,
-                                         DeviceType_HardDisk, AccessMode_ReadWrite,
-                                         PR_FALSE, &hardDisk);
-#endif /* VBOX_API_VERSION >= 4000000 */
-    if (NS_SUCCEEDED(rc)) {
-        PRUint32 hddstate;
-
-        VBOX_MEDIUM_FUNC_ARG1(hardDisk, GetState, &hddstate);
-        if (hddstate != MediaState_Inaccessible) {
-            PRUnichar *hddNameUtf16 = NULL;
-            char      *hddNameUtf8  = NULL;
-
-            VBOX_MEDIUM_FUNC_ARG1(hardDisk, GetName, &hddNameUtf16);
-            VBOX_UTF16_TO_UTF8(hddNameUtf16, &hddNameUtf8);
-
-            if (hddNameUtf8) {
-                if (vboxConnectNumOfStoragePools(conn) == 1) {
-                    ret = virGetStorageVol(conn, "default-pool", hddNameUtf8, key,
-                                           NULL, NULL);
-                    VIR_DEBUG("Storage Volume Pool: %s", "default-pool");
-                } else {
-                    /* TODO: currently only one default pool and thus
-                     * nothing here, change it when pools are supported
-                     */
-                }
-
-                VIR_DEBUG("Storage Volume Name: %s", key);
-                VIR_DEBUG("Storage Volume key : %s", hddNameUtf8);
-
-                VBOX_UTF8_FREE(hddNameUtf8);
-                VBOX_UTF16_FREE(hddNameUtf16);
-            }
-        }
-
-        VBOX_MEDIUM_RELEASE(hardDisk);
-    }
-
-    vboxIIDUnalloc(&hddIID);
-    return ret;
-}
-
 static virStorageVolPtr
 vboxStorageVolLookupByPath(virConnectPtr conn, const char *path)
 {
@@ -3660,6 +3595,20 @@ _virtualboxOpenMedium(IVirtualBox *vboxObj ATTRIBUTE_UNUSED,
 #endif
 }
 
+static nsresult
+_virtualboxGetHardDiskByIID(IVirtualBox *vboxObj, vboxIIDUnion *iidu, IHardDisk **hardDisk)
+{
+#if VBOX_API_VERSION < 4000000
+    return vboxObj->vtbl->GetHardDisk(vboxObj, IID_MEMBER(value), hardDisk);
+#elif VBOX_API_VERSION >= 4000000 && VBOX_API_VERSION < 4002000
+    return vboxObj->vtbl->FindMedium(vboxObj, IID_MEMBER(value), DeviceType_HardDisk,
+                                     hardDisk);
+#else /* VBOX_API_VERSION >= 4002000 */
+    return vboxObj->vtbl->OpenMedium(vboxObj, IID_MEMBER(value), DeviceType_HardDisk,
+                                     AccessMode_ReadWrite, PR_FALSE, hardDisk);
+#endif /* VBOX_API_VERSION >= 4002000 */
+}
+
 static nsresult
 _virtualboxFindDHCPServerByNetworkName(IVirtualBox *vboxObj, PRUnichar *name, IDHCPServer **server)
 {
@@ -5340,6 +5289,7 @@ static vboxUniformedIVirtualBox _UIVirtualBox = {
     .RegisterMachine = _virtualboxRegisterMachine,
     .FindMedium = _virtualboxFindMedium,
     .OpenMedium = _virtualboxOpenMedium,
+    .GetHardDiskByIID = _virtualboxGetHardDiskByIID,
     .FindDHCPServerByNetworkName = _virtualboxFindDHCPServerByNetworkName,
     .CreateDHCPServer = _virtualboxCreateDHCPServer,
     .RemoveDHCPServer = _virtualboxRemoveDHCPServer,
diff --git a/src/vbox/vbox_uniformed_api.h b/src/vbox/vbox_uniformed_api.h
index a6eb3eff8b..cdc2ebef47 100644
--- a/src/vbox/vbox_uniformed_api.h
+++ b/src/vbox/vbox_uniformed_api.h
@@ -198,6 +198,7 @@ typedef struct {
     nsresult (*RegisterMachine)(IVirtualBox *vboxObj, IMachine *machine);
     nsresult (*FindMedium)(IVirtualBox *vboxObj, PRUnichar *location, PRUint32 deviceType, PRUint32 accessMode, IMedium **medium);
     nsresult (*OpenMedium)(IVirtualBox *vboxObj, PRUnichar *location, PRUint32 deviceType, PRUint32 accessMode, IMedium **medium);
+    nsresult (*GetHardDiskByIID)(IVirtualBox *vboxObj, vboxIIDUnion *iidu, IHardDisk **hardDisk);
     nsresult (*FindDHCPServerByNetworkName)(IVirtualBox *vboxObj, PRUnichar *name, IDHCPServer **server);
     nsresult (*CreateDHCPServer)(IVirtualBox *vboxObj, PRUnichar *name, IDHCPServer **server);
     nsresult (*RemoveDHCPServer)(IVirtualBox *vboxObj, IDHCPServer *server);
@@ -598,7 +599,7 @@ virStoragePoolPtr vboxStoragePoolLookupByName(virConnectPtr conn, const char *na
 int vboxStoragePoolNumOfVolumes(virStoragePoolPtr pool);
 int vboxStoragePoolListVolumes(virStoragePoolPtr pool, char **const names, int nnames);
 virStorageVolPtr vboxStorageVolLookupByName(virStoragePoolPtr pool, const char *name);
-
+virStorageVolPtr vboxStorageVolLookupByKey(virConnectPtr conn, const char *key);
 
 /* Version specified functions for installing uniformed API */
 void vbox22InstallUniformedAPI(vboxUniformedAPI *pVBoxAPI);