Solution : https://service.sap.com/sap/support/notes/863952 (SAP Service marketplace login required)
Key words : 
/installnw70 solution contents 1     general2     pre-installation3     installation4     post-installationdate      section description-----------------------------------------------------------------------25 nov 09   2     windows 2008, opening semaphore global\sap dbtech-coord-lc5 failed, 06   3     livecache client software installation errors14 feb 06   3     livecache server installation, folder               hkey_local_machine\software\sap\sap dbtech\user\, registry foldershkey_local_machine\software\sap\sap dbtech\user\, /notes 2 pre-installation 25 nov 09  windows 2008, password restrictions07 dec 05   3     lvc client inst, 4 post-installation 12 feb 08 windows nw 7, 06  livecache client software installation errors problem, livecache instances13 feb 08   3     ms cluster installation
Related Notes : 
       
| 1409895 | Windows 2008: TCP/IP communication MaxDB/liveCache is slow | 
| 833216 | Parameter values as of liveCache Versions 7.5, 7.6 and 7.7 | 
| 487972 | Operating system parameterization of liveCache | 
| 337445 | liveCache and memory management |