Hi Nalaka,

From your description, you're using ASP.NET membership provider and want to
use AD groups (roles) for authorization in the application ,correct?

Based on the web.config segment you provided, you configured the following
things:

** set membership service to use ADMembershipprovider
** add authorization setting to allow only members of
"bctgtwdom\someADSecurityGroup" AD group to visit default.aspx

However, the problem is that if you use "roles" rather than "users" in
<authorization> entry, that means you use the current user's roles to
perform authorization check. So only configuring membership provider
provider is not enough. Membership provider only help authenticate the
user(verify the user through the given username/password credentials).  

Therefore, for the case here, what you need is a RoleManager provider which
can query the AD windows roles of a given user:

#How To: Use Role Manager in ASP.NET 2.0
http://msdn2.microsoft.com/en-us/library/ms998314.aspx#paght000013_step4

There is a built-in windowsTokenRoleProvider in ASP.NET 2.0:

#WindowsTokenRoleProvider Class
http://msdn2.microsoft.com/en-us/library/system.web.security.windowstokenrol
eprovider.aspx\

Or you can implement your own AD Role provider through ADSI codes since the
built-in one may have some limitation and not quite flexible.

#WindowsTokenRoleProvider - Dominick's view
http://www.pluralsight.com/blogs/keith/archive/2006/05/31/26192.aspx

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead



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