VCF Bringup validations fail at network validations.
Errors can be seen in /var/log/vmware/vcf/domainmanager/domainmanager.log
Unable to create vSwitch xxxx xxxx with MTU 9000 on ESXi Host hostname.example: A specified parameter was not correct: moid
VCF_ERROR_INTERNAL_SERVER_ERROR Invocation of prefix '' part of task AuditSinglePortgroupAction in plugin ValidationPlugin failed with exception.
com.vmware.evo.sddc.common.core.error.InternalServerErrorException: Invocation of prefix '' part of task AuditSinglePortgroupAction in plugin ValidationPlugin failed with exception.
at com.vmware.evo.sddc.orchestrator.core.ProcessingTaskSubscriber.invokeMethod(ProcessingTaskSubscriber.java:450)
at com.vmware.evo.sddc.orchestrator.core.ProcessingTaskSubscriber.processTask(ProcessingTaskSubscriber.java:517)
at com.vmware.evo.sddc.orchestrator.core.ProcessingTaskSubscriber.accept(ProcessingTaskSubscriber.java:128)
at jdk.internal.reflect.GeneratedMethodAccessor907.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$0(Subscriber.java:71)
at com.vmware.vcf.common.tracing.TraceRunnable.run(TraceRunnable.java:63)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: com.vmware.vim.binding.vmodl.fault.InvalidArgument: A specified parameter was not correct: moid
VCF Installer 9.0
The issue will be resolved in subsequent versions of VCF Installer.
This is not happening during deployment workflow, but only during validation.
Update your deployment spec either by using .json deployment or via the UI wizard.
Remove the spaces in VDS and PortGroup names if any exist.