You can increase the size of a manual desktop pool by adding unmanaged machines to the pool.
Verify that Horizon Agent is installed on the unmanaged machine. For information about preparing an unmanaged machine, see "Install Horizon Agent on an Unmanaged Machine" in the Setting Up Virtual Desktops in Horizon 7 document.
- In Horizon Administrator, select .
- Double-click the pool ID of the manual pool.
- In the Inventory tab, click Add.
- Select unmanaged machines from the Add Desktops window and click OK.
The unmanaged machines are added to the pool.