Index: /trunk/src/VBox/Main/src-all/ExtPackManagerImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-all/ExtPackManagerImpl.cpp	(revision 59338)
+++ /trunk/src/VBox/Main/src-all/ExtPackManagerImpl.cpp	(revision 59339)
@@ -1284,11 +1284,17 @@
      * Check for possibly incompatible extpack versions.
      *
-     * In 4.3.16 (actually r95499) the VUSBIROOTHUBCONNECTOR interface changed without
-     * also changing the UUID, with the result that our EHCI device could crash the
-     * host process.  Since this was from before VBOXEXTPACKREG::uVBoxFullVersion was
-     * added, the check isn't all that generic.
+     * - In 4.3.12 the PDMUSBREG structure was modified without updating the
+     *   version number.
+     * - In 4.3.16 (actually r95499) the VUSBIROOTHUBCONNECTOR interface changed without
+     *   also changing the UUID, with the result that our EHCI device could crash the
+     *   host process.
+     * - In 4.3.12 and 4.3.30 the VUSBREQ structure was updated without updating
+     *   the PDMUSBREG or any other version number.
+     *
+     *  Since this was from before VBOXEXTPACKREG::uVBoxFullVersion was
+     *  added, the check isn't all that generic.
      */
     if (   m->Desc.strName.equals("Oracle VM VirtualBox Extension Pack")
-        && RTStrVersionCompare(m->Desc.strVersion.c_str(), "4.3.16") < 0)
+        && RTStrVersionCompare(m->Desc.strVersion.c_str(), "4.3.30") < 0)
     {
         m->strWhyUnusable.printf(tr("Incompatible extension pack (version '%s'), please update"), m->Desc.strVersion.c_str());