description VMware HCX (Hybrid Cloud Extension) Overview
VMware HCX is VMware's flagship solution for extending the vCenter management plane to public clouds, including AWS. It aims to provide the most 'lift-and-shift' experience possible, making the cloud feel like an extension of the on-premises data center. It is ideal for organizations committed to maintaining VMware tooling consistency across their entire infrastructure footprint, minimizing operational changes.
help VMware HCX (Hybrid Cloud Extension) FAQ
Can VMware HCX move VMware vSphere workloads to VMware Cloud on AWS without rebuilding them?
Yes, HCX is built for vSphere-to-vSphere mobility, including VMware Cloud on AWS, so teams can move existing virtual machines rather than redesigning them first. Its migration options include HCX vMotion, Bulk Migration, and Replication Assisted vMotion.
What does HCX Network Extension actually do during a cloud migration?
HCX Network Extension stretches an on-premises Layer 2 network into the target VMware cloud so a VM can keep the same IP address after migration. That is useful when old applications have hardcoded IPs, firewall rules, or DNS dependencies inside vCenter-managed environments.
Is HCX only for VMware Cloud on AWS?
No, HCX is a VMware migration and mobility platform used across supported VMware environments, including VMware Cloud on AWS and other vSphere-based clouds. The key requirement is that the source and destination are set up as compatible HCX sites.
When would a team use HCX Bulk Migration instead of HCX vMotion?
HCX vMotion is suited to live moves where downtime needs to be very low. Bulk Migration is better when moving many VMs in scheduled waves because it uses replication and then cuts over at a planned maintenance point.
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