The DPI Synchronization feature ensures that the DPI setting in a remote desktop or published application matches the client system's DPI setting.

A Horizon administrator can disable the DPI Synchronization feature.

When the DPI Synchronization feature and the Display Scaling feature are both enabled, only one feature takes effect at any given time. Display scaling occurs only when DPI synchronization has not yet taken effect (that is, before the DPI setting on the remote desktop matches the DPI setting on the client system), and display scaling stops working after the DPI settings match.

Following are tips for using the DPI Synchronization feature.

  • If you change the DPI setting on the client system, but the DPI setting does not change in the remote desktop, you might need to log out and log in again to make Horizon Client aware of the new DPI setting on the client system.
  • If you start a remote session on a client system that has a DPI setting of more than 100 percent, and then use the same session on another client system that has a different DPI setting of more than 100 percent, you might need to log out and log back in to the remote session on the second client system to make DPI synchronization work on the second client system.
  • Although Windows 10 and Windows 8.x systems support different DPI settings on different monitors, the DPI Synchronization feature uses only the DPI value that is set on the client system's primary monitor. All monitors in the remote desktop also use the same DPI setting as the client system's primary monitor. Horizon Client does not support different DPI settings in different monitors.
  • When you connect a laptop that supports different DPI settings on different monitors to an external monitor, and you set the external monitor to be the primary monitor, Windows changes the primary monitor and primary monitor DPI setting every time you detach or reattach the external monitor. In this situation, you must log out and log back in to the client system to make Horizon Client aware of the primary monitor change, and you must log out and log back in to the remote desktop or published application to make the DPI settings match between the client system and remote desktop or published application.
  • For Windows 10 client systems, right-click on the desktop, select Display Settings > Advanced display settings > Advanced sizing of text and other items, click the set a custom scaling level link, and then log out and log in again to make the new DPI setting take effect.