Switch to the System Selector window.
Select the system you want to connect to and choose the Log On pushbutton or double-click the system entry.
A new SAP Business Client instance is started with this system connection.Use the quick selection in the Business Client Log On menu option that displays the last 5 systems you were connected to. A new SAP Business Client instance is started for the system connection you choose.
Open the system selector by choosing Logon System Selector... or
Select the system you want to connect to and choose the Log On pushbutton or double-click the system entry. A new SAP Business Client instance is started with this system connection.