Is Sagent Data Flow certified on a Virtual Machine?

Sagent Data Flow is certified to run successfully on all of the Operating System and Database servers certified as per the documentation irrespective of whether it is on a physical system or a virtual environment. To know the certified Operating systems and Database servers, refer the patch read-me of Sagent patch set in use.

If a virtual environment is being used, it is the responsibility of the virtualization provider to ensure that the Operating System is running properly, and any problems that arise as a result of any problem in environment, are the responsibility of the virtualization software/personals maintaining the Virtual  machines.