/opt/vmware/vcloud-director/logs/vcloud-container-debug.log, the following entries are seen:SessionManagerImpl | Session with id ################################ has timed out.SecurityServiceImpl | Session is invalid because it has expired/tenant/<tenant_name>/logout to one of the cells can be seen.VMware Cloud Director 10.6.x.x
This issue is caused when the user session exceeds the "Maximum session timeout" value configured in VMware Cloud Director(VCD).The user sessions and the consoles are ended cause disruption to user activity.
To resolve the issue, configure a larger value for "Maximum session timeout" as per General VMware Cloud Director System Settings