restore sharepoint site 2010 in new server and new domain

hi

on two mouth ago i performed a back up from my sharepoint site 2010 via central administration

and now i neede to restor it in new server and also new domian and with the diffrent port and web application

i did it but i faced with 6 warnings and below error

i searched a lot but not found anything

can anybody help me

pls

thanks

Objectroham (previous name: erfansamanehcom) failed in event OnPostRestore. For <o:p></o:p>

moreinformation, see the spbackup.log or sprestore.log file located in the backup directory.

SqlException: Cannot open database "roham" requested by the login. The login failed.

Login failed for user 'MPM\spsroham'.