I don't see why it shouldn't work if the tape devices are not on a SAN - it should still share the databases OK.
Try it out - put backup exec into eval mode, so you get the SSO option and see if it works.
You can purchase the Shared Storage Option(SSO) for backup Exec - this gives you the features you want with the least amount of pain.
What you want to do is feasible, though to be able to restore from the tapes you will need to inventory...
From a dos prompt on the windows 2003 server run this command
vssadmin list writers
From the list - make sure they are all in a stable state - if not try rebooting the server - is ...
I also have experienced an issue like this when I use 8.6, I found the problem, hope this will help you.
First read this article http://support.microsoft.com/default.aspx?scid=kb;en-us...
Second I find the problem in cruption db becu...
When you run a manual backup job, it is being run as YOU. When you run an automated backup job, it is being run as the login that the Backup Exec service is running as. Does that login have access to the files?
What error message(s) are ...