subramaniam.chandrasekar - Tuesday, February 6, 2018 7:28 AM
So ... you are suggesting that the DB owner for SSISDB should be the same as ... erm ... the DB owner. Not sure what you mean by that.
SSIS admin is granted via a database role within SSISDB, not via DB owner.
If you haven't even tried to resolve your issue, please don't expect the hard-working volunteers here to waste their time providing links to answers which you could easily have found yourself.