# Considerations for Google Cloud Replication

Before you configure replication for virtual machines, consider any restrictions or hypervisor-specific issues that might affect replication operations.

## General Considerations

- If you select a specific VM for replication, the GUID of the source VM is used to identify the VM for replication. If the GUID of the source VM changes, the VM is not replicated. This situation can occur when a VM with the same name is added on the hypervisor for the source VM. To resolve the issue, remove the VM from the replication group and then add it back.

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