Hi Amy,

If you are moving the program to a completely different drive which it sounds like you are describing, The best way to accomplish this is to reinstall the program on the new drive and restore the client files. Here are a few links to help out with that.

https://accountants-community.intuit.com/articles/1609487-proseries-network-install

https://accountants-community.intuit.com/articles/1606637-restoring-client-data-files-using-proserie...

I hope this helps