In older versions of the Unix Agent (v8) some of the messenger binaries (UCX*M) were provided in capital letters. This led to them being referenced in the .ini file as:
In newer versions, this was changed to lower case:
When upgraded, this can lead to jobs that were started before the upgrade failing as they are unable to reference the messenger.
Release : 11.2
Component : AUTOMATION ENGINE
Setting a symbolic link up for the messenger so both the lower and upper case messengers are available.
After a period when all the 'old' jobs are completed, you could sever the link and have the 'upgraded' install with the lower case only.
ln -s ucxju64m UCXJUS8M