A failover issue was discovered in MC release 4.1.1.1
Management Center with failover enabled and running MC 4.1.1.1
Bug SWGMC-5567 identified in MC 4.1.1.1 which causes failover to not work properly.
Currently, there is no workaround or fix in MC 4.1.1.1 to address bug SWGMC-5567.
To continue to use failover, stay on an MC 3.3 release.
A fix will be available on MC 4.1.2.1 targeted for April of 2025.