Solution : https://service.sap.com/sap/support/notes/169781 (SAP Service marketplace login required)
Key words : 
27/aug/1999   c-2    r3up phase kx_switch02/sep/1999   a-1    4, date       section   description------------------------------------------------------------------------26/aug/1999   c-1    system language, 05/jan/2000   a-3    japanese language importthe topic areas, 6a windows nt unix r3up r3setup reason, r3up phase kx_switch stopped, 6a gui01/oct/1999   a-2, \     sap r3 management console, r3up phase kx_switch, windows nt customer, japanese language import
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