NVP vProxy: FLR agent validation fails against target Linux VM

Summary: The NetWorker VMware Protection (NVP) integration is configured with the vProxy Appliance. A redirected File-Level Restore (FLR) is being performed against a Linux virtual machine (VM). The mount operation fails during the FLR Agent validation and installation. ...

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Symptoms

The FLR mount session log shows: 
...
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Downloading '/opt/emc/vproxyra/etc/status' from target VM to '/opt/emc/vproxy/runtime/tmp/AgentStatus116145052'.
YYYY-MM-DD HH:MM:SS ERROR:  [@(#) Build number: 116] Cannot parse agent status: EOF
YYYY-MM-DD HH:MM:SS WARN:   [@(#) Build number: 116] Cannot parse agent status: EOF
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Connected to VM 'my-target-vm' (vm-112).
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Checking vProxy Agent on VM 'my-target-vm' (vm-112)
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] vProxy Agent is not installed on VM 'my-target-vm' (vm-112).
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Installing vProxy Agent on VM 'my-target-vm' (vm-112)
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Sending '/opt/emc/sw-repo/vflragent/linux/emc-vProxy-FLRAgent-4.3.0-x_1.x86_64.rpm' (15193807 bytes) to target VM as '/tmp/vmware-root_934-2731086592/vpvmware222/emc-vProxy-FLRAgent.rpm'.
YYYY-MM-DD HH:MM:SS ERROR:  [@(#) Build number: 116] 404 Not Found
YYYY-MM-DD HH:MM:SS ERROR:  [@(#) Build number: 116] Unable to install vProxy Agent on 'my-target-vm': Unable to transfer file 'emc-vProxy-FLRAgent.rpm' to VM 'my-target-vm' (vm-112): 404 Not Found
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] vim: Disconnected from session on vCenter 'my-vcenter.my-domain.com'.
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Disconnected from vProxy Agent on VM 'my-target-vm' (vm-112).
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Unmounting after mount failure: Unable to install vProxy Agent on 'my-target-vm': Unable to transfer file 'emc-vProxy-FLRAgent.rpm' to VM 'my-target-vm' (vm-112): 404 Not Found
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Unlocking VM
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Found virtual machine 'my-target-vm' with MORef 'vm-112'.
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Set custom attribute 'Dell EMC vProxy FLR Session' value for object vm-112 to ''.
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Unlocked virtual machine.
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Disconnected from session on vCenter 'my-vcenter.my-domain.com'.
YYYY-MM-DD HH:MM:SS ERROR:  [@(#) Build number: 116] Unable to install vProxy Agent on 'my-target-vm': Unable to transfer file 'emc-vProxy-FLRAgent.rpm' to VM 'my-target-vm' (vm-112): 404 Not Found
...

The FLR agent was manually installed, and the FLR mount session log shows: 
...
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Downloading '/opt/emc/vproxyra/etc/status' from target VM to '/opt/emc/vproxy/runtime/tmp/AgentStatus113061054'.
YYYY-MM-DD HH:MM:SS ERROR:  [@(#) Build number: 116] Cannot parse agent status: EOF
YYYY-MM-DD HH:MM:SS WARN:   [@(#) Build number: 116] Cannot parse agent status: EOF
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Connected to VM 'my-target-vm' (vm-112).
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Checking vProxy Agent on VM 'my-target-vm' (vm-112)
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] vProxy Agent is not installed on VM 'my-target-vm' (vm-112).
YYYY-MM-DD HH:MM:SS ERROR:  [@(#) Build number: 116] vProxy Agent is not installed on the virtual machine and the request does not allow the service to install it.
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] vim: Disconnected from session on vCenter 'my-vcenter.my-domain.com'.
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Disconnected from vProxy Agent on VM 'my-target-vm' (vm-112).
YYYY-MM-DD HH:MM:SS INFO:   [@(#) Build number: 116] Unmounting after mount failure: vProxy Agent is not installed on the virtual machine and the request does not allow the service to install it. 
...

Cause

The target Linux virtual machine is not able to properly resolve the vProxy Appliance performing the FLR operations. As per the Dell NetWorker VMware Integration guide, confirm that forward and reverse Domain Name System (DNS) lookups work for each host in the datazone.

Resolution

Ensure the NetWorker datazone components (NetWorker, vCenter, vProxy, VM Clients, so on) can properly resolve (FQDN, short name, IP Address) the hosts in the environment.
Article Properties
Article Number: 000205058
Article Type: Solution
Last Modified: 17 Nov 2025
Version:  2
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