When building a custom role provider for SharePoint 2010, make sure of the following:
- The Role Provider section must be added to the following web.configs
- Central Admin
- The Security Token Service
- The Web application
- The <RoleProvider tag in the web.config must have:
- enabled=true
- a default provider like (<roleManager enabled="true" defaultProvider="AspNetWindowsTokenRoleProvider" )
Emad's Blog 
alexdombroff@alexanderdombroff.com
I think this is among the most important info for me.
And i’m glad reading your article. But wanna remark on few general things, The website style is perfect, the articles is really great : D. Good job, cheers
I pay a quick visit daily some web pages and websites to read articles, except this webpage gives feature based content.