login creds for BiG IP Hyper-V eval?

Folks,

Docs give the login creds for the Hyper-V download of BIG-IP VE

as User: default Pwd: config

but although the VM appears to boot fine I always get "login incorrect" when entering that combination at the "localhost login:" & "Password": prompt

Anyone know if the creds changed or could there be another reason for failure (beyond my lousy typing..

Ta.. Rob