RUCK fails on DP4400 when checking:
validate_vc_password_expiry validate_vc_gateway vc_hostname_check
On larger models, RUCK fails when checking:
validate_vsan
This is due to applmgmt not running on the vCenter.
root@dpappliance-vcsa [ ~ ]# service-control --status --all Stopped: applmgmt vmcam vmware-imagebuilder vmware-mbcs vmware-netdumper vmware-rbd-watchdog vmware-updatemgr vmware-vcha vsan-dps Running: lwsmd pschealth vmafdd vmcad vmdird vmdnsd vmonapi vmware-analytics vmware-certificatemanagement vmware-cis-license vmware-cm vmware-content-library vmware-eam vmware-perfcharts vmware-pod vmware-postgres-archiver vmware-rhttpproxy vmware-sca vmware-sps vmware-statsmonitor vmware-sts-idmd vmware-stsd vmware-topologysvc vmware-vapi-endpoint vmware-vmon vmware-vpostgres vmware-vpxd vmware-vpxd-svcs vmware-vsan-health vmware-vsm vsphere-client vsphere-ui
This service may be down on its own, or multiple services may be down due to expired vCenter certificates.
service-control --status --all
service-control --start applmgmt
service-control --status --all
This article applies only if applmgmt service is not running, the above failed checks may be due to some other issues.