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May 28, 2026

Configuration File Locations

Resources that must be protected include security-relevant configuration files.

Configuration File Locations by Client/Agent Type

Client TypeFile Location
Linux client (2412 and later) When the Linux client starts, it processes configuration settings from the following directories in the following order:
  1. /etc/omnissa/horizon-mandatory-config
  2. Command-line arguments
  3. ~/.omnissa/horizon-preferences
  4. /etc/omnissa/horizon-default-config
If a setting is defined in multiple locations, the Linux client uses the value from the last file or command-line option that it reads. See Using the horizon-client Command-Line Interface and Configuration Files.
Linux client (pre-2412) Please see the 2212 version of this topic.
Windows client (2412 and later) User settings that might include some private information are in the following file: C:\Users\user-name\AppData\Roaming\Omnissa\Omnissa Horizon Client\prefs.txt
Windows client (pre-2412) Please see the 2212 version of this topic.
Mac client (2412 and later) When the Mac client starts, it generates the following configuration files:
  • $HOME/Library/Preferences/com.omnissa.horizon.plist
  • $HOME/Library/Preferences/com.omnissa.vmrc.plist
  • $HOME/Library/Preferences/com.omnissa.horizon.keyboard.plist
  • /Library/Preferences/com.omnissa.horizon.plist
Mac client (pre-2412) Please see the 2212 version of this topic.
iOS clientSecurity-related settings appear in the user interface rather than in configuration files.
Android clientSecurity-related settings appear in the user interface rather than in configuration files.
Horizon Agent (remote desktop with Windows operating system)Security-related settings appear only in the Windows Registry.
Linux desktop You can use a text editor to open the /etc/omnissa/viewagent-custom.conf configuration file and specify TLS-related settings.

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