Before You Begin

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    Before you create a replication job, check the following prerequisites:

    • Backup infrastructure components that will take part in the replication process must be added to the backup infrastructure and properly configured. These include source and target Microsoft Hyper-V hosts and backup repository for storing replica metadata. If you want to perform backup in the off-host backup mode, the off-host backup proxy must also be added and properly configured.

    The backup server must be able to resolve short names and connect to source and target virtualization hosts.

    • The target volume must have enough free space to store disks of replicated VMs. To receive alerts about low space on the target volume, configure global notification settings. For more information, see Specifying Other Notification Settings.
    • If you plan to replicate VMs using WAN accelerators, source and target WAN accelerators must be added to the backup infrastructure and properly configured. For more information, see Adding WAN Accelerators.
    • If you plan to replicate VMs using WAN accelerators, it is recommended that you pre-populate the global cache on the target WAN accelerator before you start the replication job. Global cache population helps reduce the amount of traffic transferred over WAN. For more information, see Populating Global Cache.
    • If you plan to replicate VMs from the backup, the backup job that you plan to use as the source must be configured beforehand. For more information, see Replica from Backup.
    • If you plan to use pre-job and post-job scripts and/or pre-freeze and post-thaw scripts, you must create scripts before you configure the replication job. For the supported script format, see Pre-Freeze and Post-Thaw Scripts.
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