Now the upgrade has reached the "POST Upgrade Steps" which means Its open to the SECURITY ( Authorizations ) to come in.
1. First I have doing the SU25.
Question -->Do I need to run (1) on SU25 .
Answer:NO this is only for IInstallation of PFCG. for upgrading to higher releases only Steps 2 down are needed.
Please correct me if I am wrong or have additional information which you want to share