Recently, I was asked about a question that how to roll back the Selection Security to be Enable again.
It looks like on the Dashboard Properties page, you could change the Selection Security from Enable as shown by the graph above to the two new icons below which offer more flexibility of setting up the selection permission.
The question is how to roll it back. It seems there is no way to roll it back to Enable on the same configuration page.
Solution:
In order to roll back the change, you need to go to the catalog Manager and navigate to Shared -> Shared folder name (eg: BI Framework) -> _Portal
Go under _portal folder and find the dashboard folder that the change was made. You would see there is one extra folder called _selections and one extra attribute file _selections.atr
Delete these two items and restart BI Server. You would see the Enable link is restored back!
Insightful Life 
Claire,
Regarding this post: I do not believe that the server restart is required (presentation catalog changes are instantaneous (or thinking about it in another way, done in “real-time”. There is no commit or rollback (so to speak.) Simply deleting the objects noted in your article above, then refreshing the General Properties page will do the trick.
General: Thank you for taking your time to describe your findings with OBI. I will be returning to read your article on single sign on. We have just completed implementation of single sign on with OBIEE 11g (Solaris to Exchange) and found it to be quite complex and challenging.
Regards,
Dan
Dan,thanks for your comments! I agree that it is not necessary to restart the server. I think you just need to reload metadata in the presentation service. I am actually doing the installation and configuration for OBIEE as well and find it quite complicated compared to 10g. You said that you have completed the single sign on for OBIEE 11g. Does it work smoothly in your env?
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Thanks
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