VMware vCenter Server troubleshooting migration fails with compatibility error: The operation is not allowed in the current state

Products

• VMware vCenter Server

Issue/Introduction

Symptoms:

• vMotion migration operation fails
• When performing a vMotion migration operation, you see this compatibility error:
  
  Unable to migrate from <source server> to <destination server>: The operation is not allowed in the current state .

Environment

VMware vCenter Server 7.0.x
VMware vCenter Server 8.0.x

Cause

This issue can occur if the ESX/ESXi host or a virtual machine is in an unexpected state.

Resolution

To work around the issue, perform one of these options:

• Cancel any existing task from the VMware Infrastructure Client.
• Wait until any pending tasks are complete.
• Restart the VMware vCenter Server service.
• Restart management agents of the host. For more information, see Restarting the Management agents on an ESXi or ESX host (1003490).
• Disconnect and reconnect the host to the vCenter Server.
  

Additional Information

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Restarting the Management agents in ESXi