Block multiple Horizon Client instances per Windows session

This policy blocks multiple Horizon Client instances per Windows session. When set to "Enabled", Horizon Client runs in singleton instance mode, and the user can not launch multiple Horizon Client instances. When disabled, the user can open multiple Horizon Client instances. This setting is disabled by default.

Supported on:

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\VMware, Inc.\VMware VDM\Client
Value NameBlockMultipleInstances
Value TypeREG_SZ
Enabled Valuetrue
Disabled Valuefalse

vdm_client.admx

Administrative Templates (Computers)

Administrative Templates (Users)