Logon failure: unknown username or bad password

Mar 8

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The following error occurred on an application deployed to a Server 2008 machine which was not part of the domain, but on the same network. The application needed to query to domain controller for permissions related to the users browsing the site.

If you encounter this error, this is intentional to prevent unauthorized enumeration of domain information by unknown users/accounts. There are a couple different ways to resolve this issue (see references for MSDN link.)

The method I settled on is referred to as the “impersonation feature” of the web.config.

See this article I have posted on using aspnet_setreg in server 2008.

References:
MSDN, http://support.microsoft.com/kb/842789#appliesto

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About Ronnie Diaz

Ronnie Diaz is a software engineer and tech consultant. Ronnie started his career in front-end and back-end development for companies in ecommerce, service industries and remote education. This work transitioned from traditional desktop client-server applications through early cloud development. Software included human resource management and service technician workflows, online retail e-commerce and electronic ordering and fulfillment, IVR customer relational systems, and video streaming remote learning SCORM web applications. Hands on server experience and software performance optimization led to creation of a startup business focused on collocated data center services and continued experience with video streaming hardware and software. This led to a career in Amazon Prime Video where Ronnie is currently employed, building software and systems which stream live sports and events for millions of viewers around the world.

Posted on March 8, 2011, in Programming & Development and tagged , , , , . Bookmark the permalink. Leave a comment.

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