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Editorial Team
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Asked: 2026-06-04T13:09:53+00:00

I have application in ASP.NET (C#) in which I use Sap Crystal Reports for

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I have application in ASP.NET (C#) in which I use Sap Crystal Reports for Visual Studio. In VS everything works perfect. But when I deploy it to IIS “Database Logon Failed” error occurs. When I set CrystalReportViever “Enable Database Logon Prompting” it keeps me asking for username and password but doesn’t generate an error, nor shows the report. I am setting “Enable Database Logon Prompting” for testing purpose only otherwise I sending logon parameters by
ReportDocument.SetDatabaseLogon(user, password, “my dsn name”, “”). Again, everything works perfect in VS.
I am using:
– Windows 7 Enterprise 64 bit
– Visual Studio 2010 (C#)
– Sap Crystal Reports, version for VS 2010
– My App pool identity in IIS is NetworkServise
– I am pooling data from Oracle Stored Procedure
– I am using System DSN to connect to database

I am looking forward for your answers. Thanks in advance.

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1 Answer

  1. Editorial Team

    Thank you everyone for your time.

    I used User DSN before and I had “Failed to open the connection. Failed to open the connection ‘report name’.rpt” when I deployed my application. Afterwards I changed it to SystemDSN. Previous error was gone but this time “Database Logon failed” error occured.

    Finally I have solved my problem by changing connection form System DSN to Oracle Server. Everything works very well now. Consider this if you have same problem.

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