recently i've bought a new laptop (WinXpProSp2)

after installing the novell 4.91 sp4 client I still get 2 login screens. First is the Windows Login, second is the Novell login.

On the novell Login screen there is no Windows Tab and no wokstation only checkbox.

On my old laptop I just get 1 login screen. (with workstation only checkbox and Windows tab) It seems its the same novell client-version. what went wrong here ?