Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rd4fb7fbaefda4e6616013778edeb2cc8ebba0d1c -rb0e39507d38bee2164fdd187a865d943bc2eebfa
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d4fb7fbaefda4e6616013778edeb2cc8ebba0d1c)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision b0e39507d38bee2164fdd187a865d943bc2eebfa)
@@ -1669,6 +1669,7 @@
         U32 epoch;
 
         memcpy( &epoch,  message->payload, sizeof( U32 ) );
+        isEpochValid ( epoch );
         result = setRTCEpoch( epoch );
         if ( FALSE == result )
         {