If this is already somewhere, sorry.
I am new to mambo, smf and mambo-SMF.
I installed all the new versions.
This is what happened:

user registered using same name and password with mambo and smf.
user not login mambo, login at smf. Result login mambo. Has to login at smf again at smf.
if user logout of smf, user now gets logout of both smf and mambo.
and if user logout of mambo while in smf page, smf appears now in its own window and still login.

I have tried other combinations for cases where user uses different name and password for smf and mambo, or register at one and not the other. All have some expected results on login and logout.

Are these normal? or did I make errors somewhere?

You can try it out at http://artistscolony.net

Thanks