Installing IBM i 7.2 over IBM i 6.1
If you are installing IBM i 7.2 over IBM i 6.1, you should also read the IBM i Memo to Users for i 7.1. It contains incompatibility-related information about the new functions and enhancements incorporated in IBM i 7.1.
You can order this document by typing the following command: SNDPTFORD SF98036
In addition to the SNDPTFORD command, you can also view the 7.1 IBM i Memo to Users in the IBM® Knowledge Center under the IBM i 7.1 release :