diff --git a/samples/vboxwrapper/vbox.cpp b/samples/vboxwrapper/vbox.cpp
index f2cd054a6b..ed74624842 100644
--- a/samples/vboxwrapper/vbox.cpp
+++ b/samples/vboxwrapper/vbox.cpp
@@ -2719,6 +2719,13 @@ CLEANUP:
             sscanf(errcode.c_str(), "%x", &retval);
         }
 
+        // Is this a RPC_S_SERVER_UNAVAILABLE returned by vboxsvc?
+        if (!retval) {
+            if (output.find("RPC_S_SERVER_UNAVAILABLE") != string::npos) {
+                retval = RPC_S_SERVER_UNAVAILABLE;
+            }
+        }
+
         // If something couldn't be found, just return ERR_FOPEN
         if (!retval) retval = ERR_FOPEN;