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BOOK: Professional SQL Server Reporting Services ISBN: 0-7645-6878-7
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Old June 14th, 2005, 08:28 AM
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Default IIS Basic authentication problem -401 Unauthorized

Hello all,

I have users attempting to view reports (created in Reporting Services 2000)
over the web and they're receiving a "401 - Unauthorized" error due to
invalid credentials. Here is the VB.NET code that's being used to
authenticate the user:

Dim strURL as String =
"http://mydomain.mywebsite.com/ReportServer?MyFolder/MyReport?arg1=1&arg2=2&rs:Command=Render&rs:Format =PDF"

Dim ReportWebRequest As HttpWebRequest =
CType(WebRequest.Create(strReportURL), HttpWebRequest)

ReportWebRequest.Timeout = 1000000

ReportWebRequest.MaximumAutomaticRedirections = 50

ReportWebRequest.Headers.Add("Authorization", "Basic " +
Convert.ToBase64String(Encoding.ASCII.GetBytes("us erid:password")))

ReportWebRequest.PreAuthenticate = True

Dim ReportWebResponse As HttpWebResponse =
CType(ReportWebRequest.GetResponse(), HttpWebResponse)

We would prefer not to turn on anonymous access. We are running IIS vers.6
on a Win 2003 Server. Any ideas?

Thanks in advance,

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