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Visio Services data provider not found - Event 8050 (SharePoint Server 2010)

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Applies to: SharePoint Server 2010 Enterprise

Alert Name:   Visio Services data provider not found

Event ID:   8050

Summary:   Users can connect published Microsoft Visio diagrams to external data sources, such as Excel Services in Microsoft SharePoint Server 2010.

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

  • A diagram or diagrams might not refresh data.

  • This event appears in the event log: Event ID: 8050 Description: Data provider connection failed with connection string <descriptive text>.

Cause:    Visio Services in Microsoft SharePoint Server 2010 cannot connect to a data provider that was referenced by a user in a Visio diagram.