The get-supported-services operation is used to retrieve a list of server services which can be turned on/ off for site aliases on that server. The number of manageable services on site aliases differ in Plesk for Unix and Plesk for Windows: You cannot switch Tomcat service for site aliases in Plesk for Windows.
The following XML packet requests which site alias services can be managed on the server:
Response from server that runs Plesk for Unix, showing that all 3 services - Web, Mail and Tomcat - can be enabled/ disabled for site aliases on the server, looks like:
Response from server that runs Plesk for Windows, showing that only 2 services - Web and Mail - can be enabled/ disabled for site aliases on the server, looks like: