UIM upgrade fails upgrade to 20.3 at 39%, or at the point automated deployment engine is being deployed.
Release : 20.3
Component : UNIFIED INFRASTRUCTURE MGMT
This error occurs when the uimserverpackages.zip is not complete (e.g. partially copied or partially downloaded.)
Redownload or recopy and then validate that the uimserverpackages is the right size.
For UIM 20.3 it should be 2.81 GB (3,024,357,540 bytes)