"Failed to set Security on the Destination Profile" error

I'm migrating my office from NDS to AD. All the machines are w2k pro.

This is how I migrated them:
Add machine to the domain. Create a user account in AD and set the profile to \\servername\user\profile. Logged on machine as domain administrator. Copied local user profile to \user\profile. Logged out, and back in as user. Everything worked great!

BUT, now I've got 1 machine left and I'm getting this "Failed to set Security" error message. Logged in as administrator it will not let me copy the profile to user's directory, a temp directory on the server, or even the local c: drive.

What am I missing? I've successfully moved all the others using this method. Anybody have an idea what I could be over-looking?

Thanks!