What should I watch out for if I want to change the
communication between WinCC server and (multi-) client using the
The "Communication Configurator" is located under "Start >
SIMATIC > WinCC > Tools". You can use it to set the
communication between WinCC server and the clients.
You must make the settings on all the computers, (multi-)
clients and server. The "Use high load operation mode" option must
only be used for 100Mbit/s networks (see figure). You must not use
this option in any other case.
If with the multi-client you go via several ISDN routers, you
must make sure to use the worst or lowest connection speed
available and set this on all computers.
If the options of the dialog are changed, registry values are
changed. You must restart the computer to make these changes
The settings are computer-specific and do not apply for the
Network configuration, Protocols