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Cannot create a connection to data source ... Login failed for user: BUT not for all reports!

Posted By:      Posted Date: November 04, 2010    Points: 0   Category :Sql Server
 

SQL Server 2008 using Report Builder v2.0  (Microsoft SQL Server Reporting Services Version 10.0.2531.0)

We have several reporting service apps with many reports in each one. There is a set of 4 reports that all report on similar info (but grouped differently) that can be run by me and other network administrators but not any "regular" users. On these reports only, they are getting "Cannot create a connection to data source ... Login failed for user...". As I've said there are other reports that regular users can run just fine!? ALL reports use the same Shared Connection Data Source on the server that is set up as Windows Integrated Security. The Data Source's Security allows Domain Users to browse.  

I've uploaded a test report to SSRS whos SQL is "SELECT 'test' as testField" and that's it: and is connected to this same Data Source and users still get the Login Failed error... even tried creating and using a new Data Source that points to the same SQL Server DB to no avail. Examining the rdl's XML doesn't reveal anything either.

Reporting Server is a different machine than the SQL Server DB holding the data.

The only clue is that working reports were created a year before now.




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