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Editorial Team
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Asked: 2026-05-14T16:42:46+00:00

Fails: //Note: webserviceProxy inherits from SoapHttpClientProtocol //App Pool is running as a user with

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Fails:

//Note: webserviceProxy inherits from SoapHttpClientProtocol
//App Pool is running as a user with permissions to call the external webservice

var webserviceProxy = new webServiceProxy();

webserviceProxy.PreAuthenticate = true;
webserviceProxy.UseDefaultCredentials = true;

var returnVal = webServiceProxy.DoSomething();  //Fails with 401, webserviceProxy.Credendials shows an empty username, pass, and domain

Works:

//This code works, but I want to assign the current app pool's credentials to the webservice proxy's credentials.  UsingDefaultCredentials doesn't work.  The username, passoword, and domain are always null.

var webserviceProxy = new webServiceProxy();

webserviceProxy.PreAuthenticate = true;
webserviceProxy.Credentials = new NetworkCredential("user", "pass", "domain");

var returnVal = webServiceProxy.DoSomething();  //Fails with 401

How can I make an external webservice call using the identtity of ASP.NET’s app pool? There doesn’t seem to be a way to convert System.Security.Principal.WindowsIdentity.GetCurrent() to something I can use for this call.

Thanks!

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  1. Editorial Team
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