Can't backup Mail and FTP Users from old server

I’m migration:
Ive transfered 2 of 3 virtual servers
but when im trying to transler Mail and FTP Users
on current server i select Virtualmin-<hawaiix.com from drop down list>->edit users

old server

Virtual min reads

Mail and FTP Users
72 users in domain hawaiix.com

new server
afret i unpack backup.tr.gz i got only 1 user

Virtual min reads

Mail and FTP Users
1 user in domain hawaiix.com

please assist how to migrate other users, fix whats wrong

fixed, i ve re-created backup and then reatored only mail/ftp users and it worked!