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