So i got an reply from Dell Unity , there was an issue with licensing component , which has been fixed , I provided them the UUID and they have sent me the corrected license file and now the issue is resolved,   Hope this helps somene else too 
Getting Below error after getting EVAL license from Dell for UnityVSA 5.3   The specified operation could not be completed. Search for the error code on the support website or product forums, or contact your service provider, if available. (Error Code:0x4)   Any Solution to above error
Not able to Apply License EMC UnityVSA 5.3