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Crystal does not delete its temporary files in Win-Temp-folder


a website creates PDFs with Crystal R. on the fly and delivers the files via ExportToHttpResponse()-Method to the browser.

The website runs on Windows Server 2012, IIS.

I'm using Crystal Report v13.0.13 for .NET (x64 , Framework 4.5.2) with visual studio 2013.

Accourding to the "Fixed issues" at this problem has not been fixed until v13.0.16.

The problem exits since we migrated the project from 32-bit to 64-bit and from VS 2008 to VS2013.

We realised that bug when there had been more than ~32000 PDF-files in the temp-folder of Windows, Crystal became unable to create new PDFs.

Is this a bug in Crystal Reports or in .NET 4.5.2?

Thank you for your help!


The issue with the temp-files has been solved with Crystal Report v13.0.17 for .NET.

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