Solution : https://service.sap.com/sap/support/notes/72248 (SAP Service marketplace login required)
Summary : Key words : Related Notes :
In a scenario where SAP systems exhibit an 'Yellow' status for dispatchers within SAP MMC or Service Manager, often during or post upgrades, the issue can be attributed to several causes, primarily around discrepancies in hostname resolutions, alterations in the sapms
rdisp/mshost rdisp/msserv rdisp/myname rdisp/elem_per_queuethe default, =sid nr=00 sapdiahost= sapstart finished successfully, =sid nr=00 sapdiahost= startsap failed details, exe pf=<path>\<profile>call sappfpar, profile parameter start profile <-> instance profilethis error, \usr\sap\put\exe\sapstart, rdisp/elem_per_queue = <number_of_elements>rdisp/myname, \usr\sap\put\tmp\startsid, \usr\sap\put\exe\startsap, dialog queue info unavailable
311118 Logging on to the application server does not work 82751 Problems with SAP Services & SAP Service Manager