A. Increase the memory of the Master Target Device inside the Provisioning Services Console.
B. Use PowerShell cmdlets on the Delivery Controller to set the Desktop OS machine settings for a specific Machine Catalog.
C. Update the template in the hosting infrastructure. In Citrix Studio, select the Machine Catalogs node, select the machine catalog in the results pane, and click Update Machine.
D. Create new virtual machines with the XenDeskop Setup Wizard using the updated hosting template. Once all Delivery Groups have been migrated to the new catalog, delete the existing Desktop OS machines.