I am currently working on the new Tech Head Brothers authoring tool THBAuthoring as you can read in this post ‘Migration from WSE 3 to WCF‘. Two days ago I went to production with the migration from WSE to WCF. Today I had to post an article about Linq written by Kader Yildirim and was quite optimistic that it will work because I followed as always the process of developing on my notebook, then deploying to staging, testing of staging and finally going to production. This time it didn’t work. I had a the following error:

“This collection already contains an address with scheme http. there can be at most one address per scheme in this collection.”
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I started to migrate the Tech Head Brothers authoring tool and portal from Web Service Enhancement 3 (WSE 3) to Windows Communication Foundation (WCF). This is a next step in the integration of .NET Framework 3 in Tech Head Brothers portal.

Till today I was using WSE 3 from the Word VSTO solution to securely publish content to the portal directly out of Word 2003/2007.
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Laurent Kempé

I am an experienced Team Leader & Senior Solutions Architect with a passion for shipping high-quality products by empowering development team and culture toward an agile mindset. I bring technical vision and strategy, leading engineering teams to move product, processes and architecture forward.


Team Leader, Senior Solutions Architect


Illzach, France