You may need to restart the management agents ( mgmt-vmware and vmware-vpxa) on an ESX Server if any of the following happens:. You can't start or stop a VM. Virtual Center / vSphere shows the VM is running but it isn't running. Virtual Center / vSphere client can't connect to ESX server. Virtual Center / vSphere shows the following error:Virtual machine creation may fail because agent is unable to retrieve VM creation options from the hostTo restart the management agents:1. Log in to your ESX server as root from either an SSH session or directly from the console.2.
Aug 27, 2014 Virtual machine creation may fail because agent is unable to retrieve VM creation options from the host. Restarting the Management agents on ESXi. To restart the management agents on ESXi: From the Direct Console User Interface (DCUI): Connect to the console of your ESXi host. Press F2 to customize the system. Log in as root. Virtual machine creation may fail because agent is unable to retrieve VM creation options from the host. In any of these cases, you might need to restart the management agent on the ESX host. You can do this from the host's Service Console with the commands. Service mgmt-vmware restart service vmware-vpxa restart.
Type service mgmt-vmware restart or /etc/rc.d/init.d/ mgmt-vmware restartNote: Make sure Automatic Startup/Shutdown of VMs is disabled before running this command or the VMs may reboot.3. Type service vmware-vpxa restart or /etc/rc.d/init.d/vmware-vpxa restart4. Type logout to disconnect from the ESX host.You should see the following:root@server# service mgmt-vmware restartStopping VMware ESX Server Management services:VMware ESX Server Host Agent Watchdog OK VMware ESX Server Host Agent OK Starting VMware ESX Server Management services:VMware ESX Server Host Agent (background) OK Availability report startup (background) OK root@server# service vmware-vpxa restartStopping vmware-vpxa: OK Starting vmware-vpxa: OK root@server#.