Backup and restore dag Exchange in vmware environnement

Hy

i have a problem with a backup and restore for a exchange 2010 dag with vmware

i have a dga : dag1

2 nodes : exchange1 and exchange2

i have create a vmware policy with exchange application box checked.

i have backup both server

but when i want to restore a mail with policy type exchange, no backup available for exchange for the client name dag1

i can see all files C:\, D:\

it's not posbile to choose dag1 in the vmware policy but it's a virtual node.

have you got any idea?