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InfoPath Forms Services conflicting assembly identities found - Event 5733 (SharePoint Server 2010)

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Applies to: SharePoint Server 2010 Enterprise

Alert Name:   InfoPath Forms Services conflicting assembly identities found

Event ID:   5733

Summary:   InfoPath form templates can contain managed code that is stored in a business logic assembly. When a form template that contains managed code is deployed to a server on which InfoPath Forms Services runs, the business logic assembly must have a unique, strong name.

Symptoms:   One or more of the following symptoms might appear:

  • An error message appears during deployment of the form template on the Microsoft SharePoint Foundation server.

  • This event appears in the event log: Event ID: 5733 Description: Two business logic assemblies with the same identity, <AssemblyName>, exist. The following forms are associated with the assemblies: <FormName1>, <FormName2>. The server should never be in this state since each business logic assembly must have a unique identity. One of the forms and its associated assembly should immediately be removed. (User: <UserName>, Request: <https://servername/_layouts/Postback.Formserver.aspx>)

Cause:   A form template was deployed that contains a managed code assembly that conflicts with another managed code assembly that has been deployed.