Can we apply patches to DEV,QA,PRD at the same time when they share same tranport domain(usr/sap/trans).
Juan Reyes replied
Let me see if you understand....
System patching is not something that you do in 1 weekend..... after patching your dev system you need to test every single development and module to ensure there be no surprises when it goes to production.... same in QA... a normal testing cycle can last weeks!
Do NOT patch all the environment at the same time... that will be a very risky and you'll put the health of your production environment in jeopardy..