After applying the following OPS/MVS maintenance (CARS2011 2012 2101 2102 2103), existing MTC A instance could stop showing the systems
OPSMTCA sysout will show error messages like below.
2021-05-08 13:39:31.209 .https-jsse-nio-8443-exec-4. ERROR c.c.m.s.RulesService - RulesService.getFilterSystems: Unable to find discovered system (SYSTEM_A) in ESM topology map.
2021-05-08 13:39:31.209 .https-jsse-nio-8443-exec-4. ERROR c.c.m.s.RulesService - RulesService.getFilterSystems: Unable to find discovered system (SYSTEM_B) in ESM topology map.
2021-05-08 13:39:31.209 .https-jsse-nio-8443-exec-4. ERROR c.c.m.s.RulesService - RulesService.getFilterSystems: Unable to find discovered system (SYSTEM_C) in ESM topology map.
After the backout of the deploy using ZFS without the maintenance, MTC-A works properly again.
Release: 14.0
Component: MAINFRAME TEAM CENTER AUTOMATION
Missing TOPOLOGY configuration in ESMENV member. These requirements were added by the Federated Security feature (SO15067 and SO15068).