The server using NTLM has nothing to do with the DC. NTLM authentication is just used by Cognos and is set up on the same server that Cognos is install on.
I found an app that may help me do this. Just haven't had time yet to do so.
http://www.winzero.ca/MSVR-Migrator.htmLet me know if you have any other ideas. Thank you for your help!