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Title
An internal error occurred during execution, please contact Vizioncore support if the error persi -
Description
The following error appears when a backup job is ran. An internal error occurred during execution, please contact Vizioncore support if the error persists. Error Message: Unable to enumerate the VMs on “ESX Host”. This may be because the host is unreachable or busy.
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Cause
The issue seems to occur when performing a backup job against a ESX host that has the VMware management service and VirtualCenter Agent service that may not working correctly.
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Resolution
1. In the VC select the ESX host, Configuration tab, Virtual Machine Startup/Shutdown.
Make sure Startup value is set to Disabled for all VMs.2. Putty into ESX host and run following commands:
service mgmt-vmware restart
service vmware-vpxa restart
This will restart the management services on the ESX host. And with running step 1 the restart of the management services on the ESX host will not shutdown any of the VM's on that host.3. After the management services have been restarted please run the backup job or jobs again.Resetting the VMware management service and VirtualCenter Agent service by following these steps will resolve this error.