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Asked: 2026-05-23T02:40:22+00:00

I’ve a really strange problem getting IIS7 to connect to Sql2008. First, using the

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I’ve a really strange problem getting IIS7 to connect to Sql2008.

First, using the default web server in VS2010, in a HTTPModule I load a connection string from the web.config, and access the database. Works good. (Connection string uses Integrated Security = SSPI)

But because the website has some #includes, I need to debug it in IIS, so I switched from the default web server to IIS. Everything else is the same. However, when I try to open the same SqlConnection in the HTTPModule, I find that the credentials supplied are not the users, but rather the machine name.

Environment is Virtul Machine; Windows 7 64 bit; IIS7; VS2010; SQL2008

Can anyone give me any idea where or how this is being set?
Thx

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  1. Editorial Team

    When you run your application in Visual Studio, the application runs as “you”. If you’re credentials are sufficient to connect to the database, then using Integrated Security you’ll be able to log in.

    When you move over to IIS, IIS runs the process under a different identity depending on your configuration (but most likely not “you”). You have several options:

    1) Give the default user IIS is running under permission to access the database (not recommended)

    2) Configure IIS to run your application as “you”, or as a dedicated user configured specifically to run your process.

    http://technet.microsoft.com/en-us/library/cc771170(WS.10).aspx

    3) Don’t use integrated security, use SQL security.

    Here is an article that describes how you can figure out what user IIS is running under.

    http://blogs.iis.net/davcox/archive/2009/08/12/what-is-my-iis-code-running-as.aspx

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