Solution : https://service.sap.com/sap/support/notes/1391239 (SAP Service marketplace login required)
Key words : 
custom services check sap note 1396981, post start instance user exits, symptom stop mdm server instance, create start/stop dependencies, read mdm specific data, pre-stop instance, mdm server instance, acc managed system, upload xml file, readme file included
Related Notes : 
       
| 1798556 | SAP NetWeaver Landscape Virtualization Management 2.0 | 
| 1783702 | SAP NetWeaver Landscape Virtualization Management 2.0 | 
| 1630050 | SAP NetWeaver Landscape Virtualization Management 1.0 - Std | 
| 1527538 | SAP NetWeaver Landscape Virtualization Management 1.0 | 
| 1462332 | ACC 7.3 - Adaptive Computing Controller Collect. Note | 
| 1396981 | |
| 1375863 | ACC 7.2 - Adaptive Computing Controller Collect. Note | 
| 1285185 | ACC 7.1 EHP1 PI Adaptive Computing Controller Collect. Note |