Error 27507. Connection or browsing for database servers requires that MDAC be installed

This article explains the reason for the error message:

This error can occur when installing Platespin server to a French Windows OS. To resolve this issue, several Windows .DLL files must be registered.

Run the following commands from the command line then retry the installation:

C:\Program Files\Fichiers communs\System\ado>regsvr32 msado15.dll
C:\Program Files\Fichiers communs\System\ado>regsvr32 msadmd.dll
C:\Program Files\Fichiers communs\System\ado>regsvr32 msader15.dll
C:\Program Files\Fichiers communs\System\ado>regsvr32 msadrh15.dll

C:\Program Files\Fichiers communs\System\Ole DB>regsvr32 msdasc.dll
C:\Program Files\Fichiers communs\System\Ole DB>regsvr32 msdasql.dll
C:\Program Files\Fichiers communs\System\Ole DB>regsvr32 sqloledb.dll