if i change another name : it showing invalid DNS or Wins Name...

hello but you tried with your colleague machine..That machine have local IP not for public IP. that is one mistake .

take copy of original database Backup(having public IP),restore...

if u have two different server with public IP u can synchronize that database...is possible...i did transaction replication.now its running successfully....

using replication we can transfer all the records from live database to Backup Database..

please find stairways in our website...clear information provided .

wrong answer showing for u question....

answer is this.

i am also faced same problem on restore database...

i taken backup and restore to another server but , got error restore failure because of insufficient space in c:\ after i...