diff --git a/configure.ac b/configure.ac
index dba5f715..24050b9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -722,6 +722,21 @@ then
 
 fi
 
+# Support for receiving unannounced orders from the RDP server
+if test "x${have_freerdp2}" = "xyes"
+then
+    AC_CHECK_MEMBERS([rdpSettings.AllowUnanouncedOrdersFromServer],,
+                     [AC_MSG_WARN([
+  --------------------------------------------
+   This version of FreeRDP does not support relaxed order checks. RDP servers
+   that send orders that the client did not announce as supported (such as the
+   VirtualBox RDP server) will likely not be usable.
+
+   See: https://issues.apache.org/jira/browse/GUACAMOLE-962
+  --------------------------------------------])],
+                     [[#include <freerdp/freerdp.h>]])
+fi
+
 # Restore CPPFLAGS, removing FreeRDP-specific options needed for testing
 CPPFLAGS="$OLDCPPFLAGS"
 
diff --git a/src/protocols/rdp/settings.c b/src/protocols/rdp/settings.c
index fe2cf672..864e6427 100644
--- a/src/protocols/rdp/settings.c
+++ b/src/protocols/rdp/settings.c
@@ -1356,5 +1356,10 @@ void guac_rdp_push_settings(guac_client* client,
     rdp_settings->OrderSupport[NEG_FAST_INDEX_INDEX] = !guac_settings->disable_glyph_caching;
     rdp_settings->OrderSupport[NEG_FAST_GLYPH_INDEX] = !guac_settings->disable_glyph_caching;
 
+#ifdef HAVE_RDPSETTINGS_ALLOWUNANOUNCEDORDERSFROMSERVER
+    /* Do not consider server use of unannounced orders to be a fatal error */
+    rdp_settings->AllowUnanouncedOrdersFromServer = TRUE;
+#endif
+
 }