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Failed to backup virtual server 
Error code 19:857
description: error downloading virtual machine config file
 

only 2 virtual servers failed to be backed up, all other virtual servers backup work properly

Hello @Mostafa Amin ,

 

For the VM’s that failed to download the config file, Can you manually try downloading these VM’s VMX files? - Via Datastore Browser in vSphere/Web Client

-This will rule out any file locking (if download works).

Other potential causes could be permissions or connectivity. - Are the affected VM’s on the same host or datastore at all?

 

It may also be worth checking the vsbkp.log on the VSA Proxy machine for the failed event, to see if there is any specific details.

 

Best Regards,

Michael


@MichaelCapon Thank you for replying.
The Issue was in the ESXI.
The management agent on the ESX host needed to be restarted.