I want to use apex:inputField on public site. I have given read/edit permission on both object but when i on lookup, it open standard page as popup but say "Authorization Required".

Attribution to: SFBlogForce

Possible Suggestion/Solution #1

The above answer is incorrect, this can be done without visualforce - simply go to the Site (Develop > Sites), drill down on your site and in the Site Standard Pages related list add "Lookup Page".

Attribution to: Anonymous

Possible Suggestion/Solution #2

Yes, it's possible,

1. Go To Develop > Sites
2. Click on Site Label
3. On the Details Screen scroll below to "Site Standard Pages" section.
4. Click Edit button and add "Lookup Page" to Selected Pages
5. Click Save

Attribution to: user10591
This content is remixed from stackoverflow or stackexchange. Please visit https://salesforce.stackexchange.com/questions/4635