Windows 2012 R2 Hyper-V replication questions

We have some old machines we were going to re-purpose for Hyper-V and Veeam replica targets. The old machines don't have nearly as much memory as the new machines and we're looking to maximize the old resources.

If I replicate a machine that has 4 vCPUs and 24GB of RAM and everything moves over fine, can I do the following:
1) Rename the replica to VM_replica (don't want anyone to turn it on inadvertently)
2) Lower the RAM on the replica to 12GB
3) Lower the vCPUs to 2

If saw I could do that after the replication finished, but I want to know if those changes are going to stick.
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mvalpredaAsked:
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Robin CMSenior Security and Infrastructure EngineerCommented:
I'm not aware that renaming the replica VM is possible. You can't power on a replica VM whilst the source is still running.

When you replicate a VM, the replica VM is not running, it is just sat on the destination host's storage. Thus the CPU & RAM configuration are not relevant until you perform a failover and power it on. It would be during the failover process that you could change the CPU and RAM allocation.
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Robin CMSenior Security and Infrastructure EngineerCommented:
I actually have just renamed a replica VM, and the replication still seems to be working.
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mvalpredaAuthor Commented:
I think that is just a description, so the replication still happens to the GUID.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Never tried renaming the VMs but you can definitely replicate fro greater hardware to lesser hardware.  Just be aware if you do performance will suffer if you ever turn on the replicas.
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mvalpredaAuthor Commented:
Understand on older hardware, less memory, vCPUs, etc that there will be a performance hit. Hopefully they will never need to be turned on!
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