Solution : https://service.sap.com/sap/support/notes/408373 (SAP Service marketplace login required)
Key words : 
changesi  general informationii  ms sql serveriii oracleiv  db2 udb, changesdate      section  description--------- -------  ----------------------------------------------------25 jul 02 iv       local user sapr3, ===================================================================== ii   ms sql server =====================================================================13/05/03when installing, ===================================================================== iv   db2 udb, windows =====================================================================--------------------------<25/juli/02>------------------------------local user, microsoft cluster server reason, solution send change requests, windows -         microsoft cluster server, reiner hille-doering    reiner, sap web application server 6
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