"Host <hostname> attached to VDS <vds-name> is not part of the cluster" error when Importing VDS on SDDC Manager using API

Products

• VMware SDDC Manager

Issue/Introduction

• A new VDS is created on the vCenter Server managed by SDDC.
• When the new VDS is imported using API https://developer.broadcom.com/xapis/vmware-cloud-foundation-api/latest/v1/clusters/clusterId/vdses/post/, the task fails with error:
  "Host <hostname> attached to VDS <vds-name> is not part of the cluster" 
• ESXi hosts from more than one cluster in the same domain are attached to the impacted VDS.

Environment

SDDC Manager 5.x

Cause

• The VDS import using API failed because the VDS spans across multiple clusters, but the /clusters/{clusterId}/vdses endpoint only supports VDS configurations containing hosts from a single cluster whose cluster ID is provided for the import.

Resolution

To successfully import or manage the VDS through SDDC Manager:

• Create separate VDS instances per cluster, each dedicated to that cluster’s hosts.
• Maintain consistent port group and uplink configurations across clusters if required for network uniformity.