FIX: Error message when you jump to another report that uses a shared data source in SQL Server 2005 Reporting Services: "One or more data sources is missing credentials"
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Source: Knowledge Base
Product: Microsoft SQL Server 2005 Reporting Services
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FIX: Error message when you jump to another report that uses a shared data source in SQL Server 2005 Reporting Services: "One or more data sources is missing credentials"
http://support.microsoft.com/kb/946023/en-US