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SSRS 2005 Cannot connect to database

Last Modified: 2012-05-09
I just pulled up an SSRS report that I have been using for a while using BIDS and I get this messsage. I can pull up other reports that use the exact connection string and they all work. I can run this report in IE and it works. This datasource is not shared. What can I check to see what the real issue is? If I do a Test Connection it comes back OK.
TITLE: Microsoft Report Designer

A connection cannot be made to the database.
Set and test the connection string.


You have specified integrated security or credentials in the connection string for the data source, but the data source is configured to use a different credential type. To use the values in the connection string, you must configure the unattended report processing account for the report server. (Microsoft.ReportingServices.DataExtensions)


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