Huawei Cloud Server Migration Service (SMS) / Rainbow
Huawei Cloud
Free
Warm - seeded online, short cutover window
Agent
Large estates
Workload P2C V2C C2C
What it is good at
Block-level incremental replication into Huawei Cloud with a straightforward agent.
Where it falls down
Huawei target only.
Capabilities
- Changed-block tracking / incremental sync
- Wave / batch orchestration
- Discovery and assessment
- API / CLI automation
Cost and licensing
- Cost category
- Free — No licence cost from the vendor.
- Indicative price
- Free service; pay for target ECS/EVS
- Licence model
- SMS is a free Huawei Cloud service; Rainbow adds assessment and application migration.
- How to license it
- Enable in the Huawei Cloud console and install the SMS agent. No fee.
- Lifecycle
- Current
- Vendor page
- https://www.huaweicloud.com/intl/en-us/product/sms.html
Pricing and licensing last reviewed 2026-09-18. Indicative only - confirm with the vendor.
Supported sources
- Physical server - Windows
- Physical server - Linux
- VMware vSphere / ESXi (vCenter)
- Microsoft Hyper-V (Windows Server)
- Huawei FusionCompute / FusionSphere
- Amazon Web Services (EC2)
- Microsoft Azure (IaaS)
Supported targets
- Huawei Cloud (ECS)