25 Feb 2008
26 Sep 2012
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I am having the same problem.
Simply - I create a new user and save.
The user doesn't show up in the list, however only if you click on the role they are in, do they show up.
If you click to edit them, it always says the "A user with this nickname already exists.
I needed to add the user's First and Last name because for some reason it didn't save. So instead I logged in as the user and tried to do it in the edit Profile. It also gave me the same error.
It looks like there is some disconnect between the tables (sf_users, sf_user_profile, sf_sitefinity_profile?)
The table sf_sitefinity_profile has the first name and last name filled in but is doesn't show up anywhere in the backend. (user listing, user profile, etc)
We are using verison 5.1 Claims Based Authentication and I find it to be problematic.