vmkernel adapters re-created on vSwitch shows error already has DSwitch when moving back to DSwitch

Products

• VMware vSphere ESXi

Issue/Introduction

• Host vmkernel adaptor on DSwitch was manually deleted and recreated on vSwitch.
  
  
• Unable to migrate vmkernel adapter back to DSwitch.

Environment

vSphere 8.x

Cause

Orphan stale DSwitch configuration on host after manually deleting the vmkernel that was on the DSwitch and re-creating on the vSwitch.

Resolution

1. Backup the esxi host configuration
   
   
2. ssh to the esxi host and remove the orphan DSwitch
   
   # net-dvs -d <DVS Name>
   
   
3. Set the orphan DVS ports to auto-refresh
   
   
   
   
4. Proceed to Remove the host from the DSwitch.
5. Re-Add the Host to the DSwitch

Additional Information

Under certain conditions, you might be unable to remove a host from the vSphere distributed switch.