# Performing CommServe Migration from Windows to Linux

You can migrate the CommServe in a Windows environment to Linux.

## Scenario 1: Migrating Standalone Windows CS using CS Hardware Refresh

You can migrate a standalone Windows CommServe using the CommServe hardware refresh method with DR backup dumps.

For instructions, see Setting Up the CommServe Database in the New Hardware.

## Scenario 2: Migrating CommServe Server in a CS LiveSync Windows Environment to Linux

You can migrate the CommServe Server in a CS LiveSync Windows Environment to Linux.

1. Install 2 Linux Passive CS machines pointing to Active Windows CS. One machine will act as Active CS and the other as Passive CS after Windows machines are removed.

   For instructions, see Installing the Standby CommServe Host on Linux.

2. Verify that the clients and replication schedule for the newly installed Passive CS nodes are configured properly.

   For more information, see Verifying the Default Setup (Linux).

3. Optional. Verify disaster readiness by performing a test failover and a test failback to Linux passive CS node.

   For instructions, see Verifying Disaster Readiness Using Test Failover.

4. Perform a production failover to Linux node.

   For instructions, see Planned Failovers in Linux Environment.

5. Verify that the Commserve setup is working properly.

6. From the Command Center, retire Instance002 client of Windows CS and its associated entries.

7. Decommission the Windows CS machines.

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