after a migration in a new server the frontend it's ok and work well, in the backend i receive always a blank page. I've tried to set the var permissions, the errors functions...but nothing! Have you some ideas for resolve this problem?
ok I found it, but there are nothing from admin login, only some things in the frontend with local.xml
if I clear the cache and session folder in the ftp, than it works. but I can not every time do this for the owner