The Peoplesoft agent does not start via Service Manager:
20200923/114145.344 - U00022017 Automic Service Manager Version '12.3.1+hf.2.build.1575884645947' ready.
20200923/114146.345 - U00022004 Starting process 'PEOPLESOFT_AGENT' ...
20200923/114146.345 - U00022005 ... with command line 'java -jar D:\Automic\12.3\Agents\Peoplesoft\bin\ucxjpsx.jar'.
20200923/114146.345 - U00022006 ... and start directory 'D:\Automic\12.3\Agents\Peoplesoft\bin'.
20200923/114146.346 - U00022008 Could not start process 'PEOPLESOFT_AGENT'. Error Code '2'.
20200923/114146.346 - The system cannot find the file specified.
Release : 12.3
Component : AUTOMATION ENGINE
Configuration.
JAVA_HOME was not set as environment variable.
The start command can also be prefixed with the full path to the Java installation, i.e.:
C:\Program Files\Java\jdk1.8.0_221\bin\java -jar -Xrs -Xmx2048M ucxjpsx.jar
The start path itself is also not needed in the command.