what do you mean by this??

"Yes, and you could rename the servers at the end so that your application would not have to be changed."

Can we change the named instance...

It is absolutely safe. You are not giving the ownership to anybody. Even some companies have standard that the owner should be SA.

So even anybody leaves there shouldnt be any...

Are you able to run queries against the database???

If you are try running this

Exec sp_changedbowner 'sa'

and then try again.

Let me know if doesnt work. It worked for me previously.

Use SSIS for setting up maintainance jobs. It gives you a whole lot of options. Even if you create a maintainance plan it will internally create a SSIS packages to...