cd "\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN"
.\STSADM.EXE -o migrateuser -oldlogin aicmi\CNChiaraR -newlogin domus\chiara.risso -ignoresidhistory
.\STSADM.EXE -o migrateuser -oldlogin aicmi\CNSilviaB -newlogin domus\silvia.bottero -ignoresidhistory
.\STSADM.EXE -o migrateuser -oldlogin aicmi\CNMarisaI -newlogin domus\marisa.infossi -ignoresidhistory
.\STSADM.EXE -o migrateuser -oldlogin aicmi\CNSimonaA -newlogin domus\simona.aimar -ignoresidhistory