Changing the description of a VM in VCD 10.x results in NO_FEASABLE_PLACEMENT_SOLUTION due to Does not contain any suitable ESXi hosts

Products

• VMware Cloud Director

Issue/Introduction

This knowledgebase article documents a known issue and possible workaround and the resolution.

Symptoms:

1. Changing the description of a VM results the error NO_FEASABLE_PLACEMENT_SOLUTION due to Does not contain any suitable ESXi hosts
2. This may happen with other operations to modify a powered on VM.
3. vcloud-container-debug.log may display messages similar to:

2021-08-17 17:05:29,457 | ERROR | task-service-activity-pool-90 | PlacementSolverImpl | Couldn't find a hub for subject...
2021-08-17 17:05:29,457 | WARN | task-service-activity-pool-90 | PlacementSolverImpl | Placement exception caught before invoking extension(s), a solution is unlikely...

Environment

VMware Cloud Director for Service Provider 10.x

Cause

This happens in VCD 10.x when there is a cluster which has all but one host in the dedicated failover list in vSphere (vSphere HA > Edit > Admission Control), even with Admission Control is turned off.

Resolution

This issue is resolved in vCloud Director 10.3.2.

Workaround:
Make sure at least two hosts are excluded from the failover list in vSphere, even if Admission Control is turned off.