During VCHA deployment, witness node or passive node are specified to be on standalone host or a different VC cluster than active node.

Products

• VMware vCenter Server 7.0
• VMware vCenter Server 8.0

Issue/Introduction

• This article provides alternative approach If VCHA deployment operation fails with this error.
  
  
• The error is message shown in UI is:

"A specified parameter was not correct: spec.pool."

"Resource pool and host do not belong to the same compute resource."

• This error message may also occur during redeploy of passive or witness nodes.
  
  

Cause

VCHA deployment of the configuration where passive/witness nodes reside on standalone ESX host or a different VC cluster than active node is not supported via UI.

Resolution

• Use one of the VCHA APIs below depending on whether a cluster deploy, passive redeploy, or witness deploy is needed
  
  
  • Cluster.deploy: vSphere Automation API
    
    
  • Passive.redeploy: vSphere Automation API
    
    
  • Witness.redeploy: vSphere Automation API
    
    
• Set resource_pool in VchaPlacementSpec: vSphere Automation API
  
  of the passive/witness node to the resource pool of either the standalone ESX host or the resource pool of the VC cluster on which the passive/witness nodes are expected to reside.