At UIM 20.3.3 upgrade process and installation process got stuck at 42% when installer is trying to start data_engine probe. Below are the error message found
Release : 20.3
UIM upgrade to 20..3.3 and MSSQL server database
1: Check the data_engine user have same privilege's like SA user which basically have full permission to database
2: Manually restarted the data_engine probe while upgrade installer is doing the installation and it has upgraded successfully later.Post upgradation verified data_engine functionality it is working fine.