November 2011
Intermediate to advanced
608 pages
13h 33m
English
There is only one message server, regardless of the number of application servers in a SAP system. The message server process starts and runs at the operating system level and can be checked by issuing the following command:
At the SAP application level, transaction code SMMS can be used to check the status and monitor a message server. The message server lists the available application servers, and its main responsibilities are as follows:
• Load balancing
• Deciding which application server the user will log into
• Providing communication between the application servers