This sound starightforward just go to destination database right click and select import database ,

and just follow the instructions be careful your from and to boxex are accurate before hitting...

Have you tried connecting to the database via cmd prompt...PLS ensure you are mapped to the correct osql path.

1. osql  -Sservername  -E .......to use a trusted connection and if that...

what version of sql are you using does sql 2000 still do cascading on deletes/updates

Is this on a san  configuration as i have a similar problem and it turned out to be a network card io problem....also I strongly believe running exchange and iis...