You can enable the virtual machine encryption for an already replicated VM.

Procedure

  1. Recover the virtual machine.
  2. Stop the replication.
  3. Encrypt the disk on the source site.
  4. Encrypt the disk of the recovered virtual machine on the target site.
  5. Unregister the recovered virtual machine on the target site, but do not delete the disks.
  6. Configure a replication by using the disks of the recovered virtual machine as seeds.