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[QUOTE="Paul Clement, post: 4277796"]
On 5 Jul 2005 14:51:14 -0700, [email]bvasanth123@rediffmail.com[/email] wrote:

¤ Hi
¤ I am running the ASP.NET web application which is running under domain
¤ id USER1. My OS is XP. I had added the following location tag in
¤ machine.config to make my application run under USER1.
¤    </location>
¤         <location path="Default Web Site/WebApplication1">
¤                  <system.web>
¤                           <identity impersonate="true"
¤ userName="mydomain\USER1"
¤ password="mypassword"/>
¤                 </system.web>
¤    </location>
¤
¤
¤ In aspx page, I am displaying windows identity, which displays
¤ mydomain\USER1 as expected.
¤ When I start a new thread from aspx page, thread does not assume anu
¤ identity. I would like to run the new thread under same identity (i.ed
¤ mydomain\USER1). How can I do this impersonation on the thread?.  I
¤ tried impersonate() method (see code below), and got error "unable to
¤ impersonate". (variable global.ApplicationIdentity is mydomain\USER1).
¤ Please help
¤ Dim newprin As WindowsPrincipal = New
¤ WindowsPrincipal(Global.ApplicationIdentity)
¤         Thread.CurrentPrincipal = newprin
¤
¤
¤         Dim wi As WindowsImpersonationContext =
¤ Global.ApplicationIdentity.Impersonate()
¤
¤
¤         TryFileAccess()
¤         wi.Undo()

See if the following helps:

A System.Security.SecurityException exception occurs when you try to impersonate a user from a
secondary thread in an ASP.NET Web application
[URL]http://support.microsoft.com/default.aspx?scid=kb;en-us;842790[/URL]

Paul
~~~~
Microsoft MVP (Visual Basic)
[/QUOTE]

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