Oracle ILOM supports a maximum of 10 concurrent active user sessions for a single-server SP or CMM. Some SPARC single-server SPs are limited to a maximum of 5 concurrent active user sessions. Further, if the SPARC server is a multi-server SP, a maximum of 25 concurrent active user sessions are permitted per SP.
To determine the maximum number of user sessions supported, click the More details... link in the ILOM Administration → User Management → User Account page in the web interface.