I created 2 identical Server 2012 R2 VMs from a template, left them powered off and performed a full backup with Extreme compression, WAN target deduplication & per-VM chains left disabled. What I'm seeing is that the resulting .vbk is twice the size of single VM backup (~8GB) when I back both VMs up (~16GB). This is onto a plain old NTFS RAID-10 volume with MS dedupe disabled.
Am I expecting too much for Veeam to be able to dedupe an entire VM? Have I understood Veeam dedupe correctly?
Any help would be much appreciated, thanks!
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