The migration from the vCenter Server for Windows to vCSA has several steps, depending on your vSphere deployment:
- With an external PSC, migrate to the dedicated vCSA machine that will be used as an external PSC. Migration from an external PSC to an embedded one is not supported.
- Migrate vCenter for Windows 6.5 to vCSA 6.7. If you have installed a dedicated vCenter server and PSC, the result will be two appliances, one running vCenter Server and the second one running the PSC. With the embedded Windows deployment type, the result will be a single vCSA appliance holding both the vCenter and PSC roles: