Can I Migrate Physical Servers and VMs from Other Clouds to the Cloud Platform Using SMS?

Yes.

SMS makes it easy to migrate physical servers in data centers and VMs on various popular private and public clouds to ECSs on the cloud platform. In principle, all x86 servers can be migrated to the cloud platform using SMS.

For details about the supported OSs, see What Source Server OSs Are Supported by SMS and Are There Any Restrictions on Using SMS?