Avoid these PTF's:

Do NOT put these PTFs on:
Security Bulletin: IBM i is vulnerable to a local privilege escalation due
to a flaw in IBM Directory Server for i (CVE-2023-40378).
https://www.ibm.com/support/pages/node/7047240?myns=swgother&mynp=OCSWG60&mynp=OCSSTS2D&mynp=OCSSB23CE&mynp=OCSS9QQS&mynp=OCSSC5L9&mync=E&cm_sp=swgother-_-OCSWG60-OCSSTS2D-OCSSB23CE-OCSS9QQS-OCSSC5L9-_-E

I tried them on IBM i 7.5
PTF Group Level
SF99959 36
SF99958 20
SF99957 2
SF99956 1
SF99955 6
SF99954 10
SF99953 2
SF99952 10
SF99951 4
SF99950 4
SF99751 4
SF99750 23110

When I dropped my Domino servers for maintenance and tried to bring them
back up again
LNT0928
Error 2 occurred while running the Domino server.
2 -- The Domino server stopped running because an exception occurred.
2 -- Check the job log of the Domino server for possible errors. (nothing
but this)

Nothing on the Domino console.
"What changed?"
Those PTF's.
RMVPTF LICPGM(5770SS1) SELECT(SI84231 SI84569 SI84578) RMV(*PERM)
STRDOMSVR ...
success!
HCL Domino (r) Server (Release 12.0.2 for i5/OS)

Not sure if the following applies.
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0101447
**Domino 12.0.2 Fix Pack 2 or higher recommended but not required.

I may open a case on Monday but why bother now because if it's not a system
supporting a power grid for the eastern seaboard and a bank of life support
machines I will catch endless grief trying to get them to work on it over a
weekend. Especially since I have a workaround.