VDP: Failed to attach disk

[impranayk]

Facing issue with VDP 6.1 when initiating backup. Refer to attached logs.

2016-05-17T04:44:23.519-10:00 avvcbimage Info <16041>: VDDK:VixDiskLib: Unable to locate appropriate transport mode to open disk. Error 13 (You do not have access rights to this file) at 4559.

Failed to open NBD extent.

2016-05-17T04:44:23.511-10:00 avvcbimage Info <16041>: VDDK:Cnx_Connect: Error message: Failed to connect to server  host:902

2016-05-17T04:38:04.477-10:00 avvcbimage Info <16041>: VDDK:2016-05-17T04:38:04.464+10:00 error -[7FAC95207700] [Originator@6876 sub=transport] Mounting VM vm-496 using transport hotadd failed : Could not connect to ESX host host04.ad.bgep.co.uk: Failed to connect to server host04:902.

[impranayk · Accepted solution]

VDP required below ports to be opened between VDP and ESXi Server. After verifying all ports mentioned below at firewall, issue has been resolved.

Port	Protocol	Source	Destination	Purpose
22	TCP	SSH Client, vSphere Web Client	VDP	ssh (for debugging)
53	UDP	VDP	DNS	server DNS
80	TCP	vSphere Web Client	VDP	http
80	TCP	VDP	vCenter Server	http (for licensing)
111	TCP, UDP	VDP	ESXi/ESX	rpcbind
443	TCP	vSphere Web Client	VDP	https
902	TCP	VDP	ESXi/ESX	NFC
7444	TCP	VDP	vCenter Server/PSC	Register VDP to SSO and access lookup service
8543	TCP	vSphere Web Client	VDP	VDP appliance management, Redirect for Tomcat
8580	TCP	vCenter	VDP	VDP Downloader
9443	TCP	vCenter	VDP	VDP Web Services