SAP Knowledge Base Article - Public

1559385 - Error: "Server Application Unavailable" when running Crystal Reports in VS 2003 .NET web application


  • Report using connection to XML (crdb_adoplus.dll database driver)
  • The report can be run two times with no error
  • On third run the W3WP.exe process terminates resulting in the error: "Server Application Unavailable" on the webform


  • Crystal Reports 2008 SP3
  • Windows 2003 Server
  • IIS 6
  • Issue is not present in Crystal Reports 2008 SP1 or SP2


  • Find the file crdb_adoplus.dll in the folder c:\program files\Business Objects\common\3.5\bin
  • Rename the file to crdb_adoplus.fr2
  • Find the file crdb_adoplus.dll in the folder c:\program files\Business Objects\common\3.5\bin\dotnet1
  • Copy the crdb_adoplus.dll from the ...\dotnet1 folder to the ...\3.5\bin folder
  • NOTE: this is only a work-around
  • The work-around will prevent the use of the crdb_adoplus.dll with framework 2.0
  • A Technical Escalation has been submitted (ADAPT01530001)


12 12.0 crash , KBA , BI-DEV-NET , BI Software Development Kits (SDKs) - .NET or Other , Problem


Crystal Reports 2008 V1