Restrictions of Indigo 4.2 (64 bit Version)
With Indigo 4.2 SP1, a new 64 bit version of Indigo has been made available. It contains some few restrictions compared to the 32 bit Indigo version. Please consult the Readme of Indigo Installation CD for more details:
There will be no more restrictions in the newer Indigo 64 bit main release (after 4.2).