In reply to Sudipta.

We have tested with Veritas 7.0 with no issues. Here is a paper that discusses this testing. http://support.sas.com/resources/papers/Performance_and_Tuning_Considerations_for_SAS_using_Veritas_Infoscale70.pdf

Since 7.3 is an minor release update there should be no issues with SAS 9.4 and Veritas 7.3.

Margaret