Solution : https://service.sap.com/sap/support/notes/518835 (SAP Service marketplace login required)
Key words : 
start -> menu -> programs -> sap tools -> sap address space viewer 2, adrspc_<sid>_<server>_<instance number>, 'sap address space viewer', local administrator account, disp+work process, 'list/rebase' button, sap note 129813, application server, 'file' button, note describes
Related Notes : 
       
| 546361 | FAQ: Storage problems on NT/Windows 2000 | 
| 166551 | Diagnosing storage problems | 
| 129813 | Windows: Problems due to address space fragmentation | 
| 110172 | Windows: Transactions with large memory requirements | 
| 88416 | Zero administration memory management for the ABAP server | 
| 40024 | Transferring customer files to sapserv# using ftp |