bug in vs2005 for asp .net 2.0 ?

Hi all,

I just encountered the fllowing error when trying to see
the provider tab in the asp .net configuration tool:

An error was encountered. Please return to the previous page and try again.

The following message may help in diagnosing the problem: Object reference
not set to an instance of an object. at
ASP.providers_chooseprovidermanagement_aspx.Page_Load() in
c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Providers\chooseProviderManagement.aspx:line
13 at System.Web.Util.CalliHelper.ArglessFunctionCaller(IntPtr fp, Object o)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender,
EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at
System.Web.UI.Control.LoadRecursive() at
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint,
Boolean includeStagesAfterAsyncPoint)

Then, if I wanted to see the security tab, I got:

There is a problem with your selected data store. This can be caused by an
invalid server name or credentials, or by insufficient permission. It can
also be caused by the role manager feature not being enabled. Click the
button below to be redirected to a page where you can choose a new data
store.

The following message may help in diagnosing the problem: Default Membership
Provider could not be found. (C:\VStudio2005\Nialls\web.config line 15)

I already did run aspne_regsql succesfully. I have the database under a sql
server 2005 named instance, which
is currently running. I also have a default instace of sqlserver 2000.

Any help is appreciated.

Carlos.


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