Error "Unable to communicate with the remote host, since it is disconnected." with replication or restore

KB ID: 1880
Product: Veeam Backup & Replication
Version: 7.x
Published: 2014-04-21
Last Modified: 2020-08-13
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Challenge

Host Disconnected errors when restoring or replicating VMs to a new host/location.

Cause

Hardware Version mismatch between hosts

Restores: 
When you do the restore it will fail with the following error in the VM.<VMName>.Restore.log file:
 

Error    Failed to restore vm. Name: [WMS Server]
Error    SetVmCustomConfigOption failed, vmRef ‘#’, name 'uuid.action', value 'keep' (System.Exception)
Error    Unable to communicate with the remote host, since it is disconnected. (System.IO.FileNotFoundException)

 
Replication:
For replication the error will be replicated in the  Task.,VMName.vmRef’#’.log file:
 

Error    SetVmCustomConfigOption failed, vmRef ‘#’, name 'uuid.action', value
Error    Unable to communicate with the remote host, since it is disconnected.  


The error “Unable to communicate with the remote host, since it is disconnected” can be found within the vSphere client as well. 

Solution

This is caused by a virtual machine hardware version mismatch when you have a VM that was on a host using a hardware version that is not supported by the host that is the target for your replication or restore.
 
In order to correct this issue you will need to restore the VM to a host that is on the same version or later than the source.

More information

List of VM Hardware Versions:

kb.vmware.com/kb/1003746


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