To allow E911 services for the Media Optimization for Microsoft Teams feature, you must manually enable Windows location services for Horizon Client. These services provide the client's geolocation information to Microsoft Teams running in a remote desktop for location-based routing during emergency calls.

Note: E911 services require Horizon Agent 2111 or later.
To enable location services for Horizon Client on Windows, follow the steps below.
  1. In the Settings dialog box, navigate to Privacy & Security.
  2. Under App permissions, click Location tab.
  3. Set Location services to On.
  4. Set Let apps access your location to On.