When you delete a location, the system does not delete the virtual machines running on the host, and moves the host to Unknown location Platform mapping. You can configure the location of an ESXi host again.
Procedure
On the desktop, click the SDM icon (), and then click Application Management.
In the left navigation pane, click the Unknown location Platform mapping link.
In the Host Location Mapping section, select an ESXi host, and click Edit.
The system displays the Host Information page.
Select a location and click Update.
Select the host(s) where location is updated and click Submit.
The system displays the ESXi host in the selected location.