how to upgrade Mikrotik user manger Database from v6 to v7

Don't do this videos in real router before test in VM
you can download VM from this link
how to upgrade Mikrotik user manger Database from v6 to v7"
empty folder name :
user-manager5
command to move database loction is
user-manager/database/set db-path=
put location after =
command optimize-db
user-manager/database/optimize-db
command upgrade database
user-manager/database/migrate-legacy-db database-path=vr6db overwrite=yes
replace vr6db by your db 6 path

[stvnet]

ممكن الشرح بالعربي
لدي سيرفر 1100x4 v6 واحتاج الى نقله الي v7
نقل كل الداتا