Service mesh fails to create when source and destination sites are configured to use distributed portgroups

Products

• VMware HCX

Issue/Introduction

• When creating an HCX service mesh, an error similar to the following is generated:
  

  Unable to create Service Mesh
Switch: ###### of type: VmwareDistributedVirtualSwitch is not supported for remote sites having NSX-T; only Overlay Transport Zones are supported.
  
  

• Service mesh without network extension is created successfully. 

Environment

• HCX 4.11.x
• HCX Source and destination site network profiles use distributed port groups (running on a vNetwork Distributed Switch, VDS) instead of NSX segments backed by an overlay transport zone.
• One or more of the following services are configured in the compute profile and service mesh:
  
  • Network Extension
  • V2T Migration
• An NSX overlay transport zone is not configured at the destination site.

Cause

• The Network Extension, V2T migration services require an NSX overlay transport zone to function properly. When these services are enabled during service mesh creation, a check is made against NSX to ensure that there is a configured overlay transport zone. If one does not exist, the service mesh cannot be created.

Resolution

If the Network Extension, V2T Migration services are not needed, disable them in the compute profiles and service mesh.

NSX overlay transport zone must be configured at the destination site and the compute/network profiles be updated to use the appropriate NSX-backed segment:

• Update the Compute Profile, and under the step "Select Network Containers Eligible for Network Extension" change from the DVS switch to use an overlay transport zone:
  
• Proceed with creating a new Service Mesh
• At the "Advanced Configuration – Network Extension Appliance Scale Out" step, make sure that only overlay transport zone is selected for "Remote Network Container" as vDS is not supported:
  
• Continue with the configuration of the Service Mesh and complete it then.

Additional Information

Create a Compute Profile
Error when trying to extend a network on HCX: "Unable to find backing dvpg id corresponding to logical switch"