When you configure a single system, no transport routes are created.
This SAP System can only be supplied with special transports.
To configure a single system:
If you use the function Standard Configuration, all previous configurations for all SAP systems are replaced by the default settings.
Default transport layers and transport routes that already exist are deleted.
Transport layers, development classes and objects that already exist are kept.
Your single system is displayed in the hierarchical list under Single Systems.
The single system has been configured.