Here is Customer Advisory sent by the CME.
Due to required maintenance at 9:45 CDT some Convenience Gateway customers will be disconnected and will need to reconnect to their back-up Convenience Gateway. Those customers that subscribe to Cancel on Disconnect will have their Day Orders cancelled.
If you have any questions, please contact the CME Global Command Center in the U.S. at +1 800 438 8616, in Europe at +44 20 7623 4747 or in Asia at +65 6532 5010.
The sender provided the following contact information.
Sender’s Name: CME Global Command Center
Sender’s Contact Phone: 1800 438 8616