Polycom MGC+100 Release Note page 32

MGC Release Notes - Version 7.5
To enable a Mandatory and Secure connection for the MCU:
1.
2.
3.
4.
Do not connect to the MCU. When you right-click the MCU, the MCU should be
disconnected and the icon appear grey.
5.
6.
7.
8.
9.
10. Connect to the MCU.
After reconnecting, it is recommended to change the login password.
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Before connecting the MCU, right-click the MCU icon and click MCU Utils, then
click Edit "system.cfg".
The SysConfig dialog box opens.
In the GENERAL section, set the following flags to:
— SECURED_PORT_MANDATORY_FOR_API=YES
— SECURED_PORT_MANDATORY_FOR_FILE=YES
— PREFERRED_SECURED_PORT=443
Click OK and then reset the MCU.
Right-click the MCU icon and then click Properties.
The Properties dialog box opens.
Click Advanced.
Select the Secured check box to enable mandatory security.
Ensure that the Automatic Discovery option is deactivated (clear the check box).
The Port Number box is enabled, enter port 443 as the Port Number.
Click OK.
When reconnected, the MCU uses the secured port.