## Synchronization Ports

The Synchronization Manager GUI, Message Server and synchronization services use several ports for communication.

Synchronization Ports

Synchronization Ports

Port | Default Value
Administration port, message server | 7220
JNDI port, message server | 7221
JMS port, message server | 7222
Administration port of the synchronization service | 7223 If you start multiple synchronization services on the same computer, specify a separate port for each synchronization service, e.g. port 7223 for the synchronization service of the master instance and 7224 for the synchronization service of the client instance.

See also:

Technical System Landscape