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error failed to open the connection

Jul 26, 2017 at 03:04 PM

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I have a an application made by visual studio 2013 with crystal report and I have the windows server 2012 which has the database sql server 2014 , the crystal report is working on all devices windows 8 and windows 7 and windows 10 pro

except on one device with windows 10 home edition it always give me this error

could you please help

CrystalDecisions.CrystalReports.Engine.InternalException: Failed to open the connection. Failed to open the connection. TrailerInvoice 5000_1720_{3B7E7F4B-A6C7-466F-A408-13348394E544}.rpt ---> System.Runtime.InteropServices.COMException: Failed to open the connection. Failed to open the connection. TrailerInvoice 5000_1720_{3B7E7F4B-A6C7-466F-A408-13348394E544}.rpt at CrystalDecisions.ReportAppServer.Controllers.ReportSourceClass.Export(ExportOptions pExportOptions, RequestContext pRequestContext) at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext) --- End of inner exception stack trace --- at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e) at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext) at CrystalDecisions.CrystalReports.Engine.FormatEngine.ExportToStream(ExportRequestContext reqContext) at CrystalDecisions.CrystalReports.Engine.FormatEngine.Export(ExportRequestContext reqContext) at CrystalDecisions.CrystalReports.Engine.ReportDocument.ExportToDisk(ExportFormatType formatType, String fileName) at JJTrailerSoftware.frmInvoiceDetails.IDCanged(Invoice Tinvoice, CUser _User, Int32 samenInvoice) at JJTrailerSoftware.frmTrailerInvocie.lvInvoices_Click(Object sender, EventArgs e) at System.Windows.Forms.ListView.OnSelectedIndexChanged(EventArgs e) at System.Windows.Forms.ListView.WmReflectNotify(Message& m) at System.Windows.Forms.ListView.WndProc(Message& m) at DevComponents.DotNetBar.Controls.ListViewEx.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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Best Answer
Don Williams
Jul 26, 2017 at 03:06 PM
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Use ProcessMonitor and look for Access Denied errors or dependencies etc. when he runs the app.

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