[Typo3] No preview of login-protected Sites!?

[Christian Trabold]

> i can't use the preview option of Typo3 in login-protectet sections.
> If i klick on preview, i get the Error:The requested page was not
> accessible!
> I get the same Error when i try to link to a login-protectet Site.
> I use the New Login-box and FE Userregistration. The Preview is working,
> when i deaktivate the Login-Protection.
> What can i do ?

Login as a fe_user or simulate a fe_users groups via admin panel.

Regards,

Christian