Re: Can't get impersonation to work

From: Fernando Vicaria [MSFT] (fvicaria_at_online.microsoft.com)
Date: 06/23/04 

Date: Wed, 23 Jun 2004 13:29:23 -0700

Check out this article:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconaspnetimpersonation.asp

Your code will probably require FullTrust trust independently of the user
you impersonate.

Let me know if you still have problems after that.

"ECrawford" <ECrawford@discussions.microsoft.com> wrote in message
news:7B66AC2D-EC0C-45F7-B94E-B001AD42C46B@microsoft.com...
>I have a .Net application and one of my ASP pages exports a Crystal Reports
>file to a network drive. The problem is that when Crystal exports the file,
>it uses the ASPNET user account, which doesn't have access rights to the
>network drive.
>
> I want to impersonate the authenticated user when I do the export, but it
> doesn't seem to work. When I run the app, FileMon shows that it is still
> using ASPNET.
>
> I have tried adding the <identity impersonate="true" userName="validuser"
> password="validpass"/> to my web.config file, but that doesn't work
> either. I did think I had this working yesterday, but today it doesn't
> seem to be ?!?!
>
> I have also tried the following code:
>
> currentWindowsIdentity =
> CType(User.Identity,System.Security.Principal.WindowsIdentity)
> impersonationcontext = currentWindowsIdentity.Impersonate()
>
> ReportName.Export()
>
> impersonationcontext.Undo()
>
> This shows the impersonation elements to be the same as the authenticated
> user, but the app still blows up and FileMon still shows ASPNET as the
> user.
>
> What am I doing wrong?!?!?!
>
> THanks,
> Ed
>

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