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1977119 - Unable to add data connection. Unsupported charset. (Roman8) Using the ADO.NET Provider


  • When attempting to connect to a Sybase ASE that has Roman 8 as the default charset, the error "Unable to add data connection.  Unsupported charset!" will be returned.
  • The version of the ASE is not relevant, just the charset on the ASE.
  • Using Visual Studio will see the error when attempting to connect to a database using the Tools menu.



  • SAP Sybase Software Developer Kit (SDK) 15.7 ESD
  • SAP Sybase Software Developer Kit (SDK) 15.7 SP
  • SAP Adaptive Server Enterprise (ASE) Software Developer Kit (SDK) 16.0 SP
  • All versions of Microsoft Windows.
  • Microsoft Visual Studio
  • any ASE with Roman 8 default charset


SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise SDK 16.0 ; Sybase Software Developer Kit 15.7


adonet, Sybase SDK, SAP SDK for ASE, CR683748, CR#683748, 683748 , KBA , BC-SYB-SDK , SDK , Problem

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