Migration

 

Prepare a machine for the replication appliance

The Migration and modernization tool uses a replication appliance to replicate machines to Azure. The replication appliance runs the following components.

  • Configuration server: The configuration server coordinates communications between on-premises and Azure, and manages data replication.
  • Process server: The process server acts as a replication gateway. It receives replication data; optimizes it with caching, compression, and encryption, and sends it to a cache storage account in Azure.

Run a test migration

When delta replication begins, you can run a test migration for the VMs, before running a full migration to Azure. We highly recommend that you do this at least once for each machine, before you migrate it.

  • Running a test migration checks that migration will work as expected, without impacting the on-premises machines, which remain operational, and continue replicating.
  • Test migration simulates the migration by creating an Azure VM using replicated data (usually migrating to a non-production VNet in your Azure subscription).
  • You can use the replicated test Azure VM to validate the migration, perform app testing, and address any issues before full migration.

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