User's Manual
RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
B-12 Polycom, Inc.
The system has been configured for Ultra 
Secure Mode, but communication is not 
secured until a TLS certificate is installed 
and the MCU is set to Secured 
Communication.
Although the System Flag ULTRA_SECURE_MODE is set to YES, the Ultra 
Secure Mode is not fully implemented as the TLS certificate was not installed. 
Please install the TLS certificate and set the MCU to Secured Communication 
Mode to fully enable the Enhanced Security Environment.
Unable to connect to Exchange Server.
User Name SUPPORT cannot be used in 
Enhanced Security Mode
Version upgrade is in progress 
Voltage problem Possible reasons for the problem:
• Card voltage problem.
• Shelf voltage problem.
• Voltage problem
Warning: Upgrade started and SAFE 
Upgrade protection is turned OFF
Yellow Alarm Problem sending/receiving data from/to network.
Check the cables.
Table B-1  Active Alarms (Continued)
Alarm Code Alarm Description










