VCF on VxRail 5.2.x version -- Cluster expansion using initiate_stretch_cluster_vxrail script fails with ErrorCode : "HM_VXRAIL_FQDN_NOT_FOUND"

domain manager log shows below events : 

2025-03-05T16:45:01.441+0000 ERROR [vcf_dm,67c87f8cefa757481f5a3091bd63cdea,5f42] [c.v.e.s.o.model.error.ErrorFactory,dm-exec-4]  [IQJQT] HM_VXRAIL_FQDN_NOT_FOUND Not able to read VxRail FQDN from the cluster domain-c9.
com.vmware.vxrail.vcf.hostmanager.error.VxRailHostManagerException: Not able to read VxRail FQDN from the cluster domain-c9.
        at com.vmware.vxrail.vcf.hostmanager.services.util.VxRailHostManagerUtil.getVxRailFQDN(VxRailHostManagerUtil.java:329)
        at com.vmware.vxrail.vcf.hostmanager.action.PrepareAddHostConfigFromVcenter.execute(PrepareAddHostConfigFromVcenter.java:120)
        at com.vmware.vxrail.vcf.hostmanager.action.PrepareAddHostConfigFromVcenter.execute(PrepareAddHostConfigFromVcenter.java:55)
        at com.vmware.evo.sddc.orchestrator.platform.action.FsmActionState.invoke(FsmActionState.java:62)
        at com.vmware.evo.sddc.orchestrator.platform.action.FsmActionPlugin.invoke(FsmActionPlugin.java:159)
        at com.vmware.evo.sddc.orchestrator.platform.action.FsmActionPlugin.invoke(FsmActionPlugin.java:144)
        at com.vmware.evo.sddc.orchestrator.core.ProcessingTaskSubscriber.invokeMethod(ProcessingTaskSubscriber.java:400)
        at com.vmware.evo.sddc.orchestrator.core.ProcessingTaskSubscriber.processTask(ProcessingTaskSubscriber.java:520)
        at com.vmware.evo.sddc.orchestrator.core.ProcessingTaskSubscriber.accept(ProcessingTaskSubscriber.java:124)
        at jdk.internal.reflect.GeneratedMethodAccessor1073.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:569)
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:85)
        at com.google.common.eventbus.Subscriber.lambda$dispatchEvent$0(Subscriber.java:71)
        at com.vmware.vcf.common.tracing.TraceRunnable.run(TraceRunnable.java:59)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.Exception: Unable to find custom field key VxRail-IP for the input
        at com.vmware.evo.sddc.common.client.vmware.vsphere.VcManagerBase.lambda$getCustomFieldValueByMoId$110(VcManagerBase.java:16081)
        at java.base/java.util.Optional.orElseThrow(Optional.java:403)
        at com.vmware.evo.sddc.common.client.vmware.vsphere.VcManagerBase.getCustomFieldValueByMoId(VcManagerBase.java:16078)
        at com.vmware.vxrail.vcf.hostmanager.services.util.VxRailHostManagerUtil.getVxRailFQDN(VxRailHostManagerUtil.java:312)
        ... 17 common frames omitted

Script is looking for field "VxRail-IP" under custom attributes and unable to find same. 

In vCenter under Cluster Summary tab add missing VxRail-IP field under Custom Attributes. 

Retry Failed workflow. 

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