Technical: Plug-in Error "The request failed with HTTP status 401 unauthorized"

"The request failed with HTTP status 401 unauthorized"

You may get the above error when attempting to execute a Plugin in a Microsoft Dyamics CRM 4.0 Enterprise Edition multi tennant environment.

You may find that your plugin works perfectly on the default organisation but fails for any subsequent errors. This is a recognised bug by Microsoft and they have provided a HOTFIX.

You can download the HOTFIX from: http://support.microsoft.com/kb/948746

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