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August 24, 2026

Silent Installation Properties for a Replicated Instance of Omnissa Horizon Connection Server

You can include specific properties when you silently install a replicated Horizon Connection Server instance from the command line. You must use a PROPERTY=value format so that Microsoft Windows Installer (MSI) can interpret the properties and values.

MSI Properties for Silently installing a Replicated Instance of Horizon Connection Server
MSI PropertyDescriptionDefault Value
INSTALLDIRThe path and folder in which the Horizon Connection Server software is installed. For example: INSTALLDIR=""D:\abc\my folder"" The sets of two double quotes that enclose the path permit the MSI installer to interpret the space as a valid part of the path. This MSI property is optional.%ProgramFiles%\Omnissa\Horizon\Server
VDM_SERVER_INSTANCE_TYPEThe type of Horizon Connection Server installation:
  • 1. Standard installation
  • 2. Replica installation
To install a replicated instance, define VDM_SERVER_INSTANCE_TYPE=2 This MSI property is required when installing a replica.
1
ADAM_PRIMARY_NAMEThe host name or IP address of the existing Horizon Connection Server instance you are replicating. For example: ADAM_PRIMARY_NAME=cs1.companydomain.com This MSI property is required.None
FWCHOICEThe MSI property that determines whether to configure a firewall for the Horizon Connection Server instance. A value of 1 configures a firewall. A value of 2 does not configure a firewall. For example: FWCHOICE=1 This MSI property is optional.1
VDM_SERVER_ RECOVERY_PWDThe data recovery password. If a data recovery password is not set in Horizon LDAP, this property is mandatory. The password must contain between 1 and 128 characters. Follow your organization's best practices for generating secure passwords.None
VDM_SERVER_RECOVERY_ PWD_REMINDERThe data recovery password reminder. This property is optional.None
VDM_IP_PROTOCOL_ USAGESpecifies the IP version that Omnissa Horizon components use for communication. The possible values are IPv4 and IPv6IPv4
VDM_FIPS_ENABLEDSpecifies whether to enable or disable FIPS mode. A value of 1 enables FIPS mode. A value of 0 disables FIPS mode. If this property is set to 1 and Windows is not in FIPS mode, the installer will abort.0
ENABLE_ADWSFor Horizon version 2606 and later:
Specifies whether to enable or disable Active Directory Web Services (ADWS) during installation or upgrade.
  • A value of 1 enables ADWS, starts the service, enables the associated inbound firewall rule, and sets the registry property EnableADWS=1.
  • A value of 0 disables ADWS, stops the service, disables the inbound firewall rule, and sets EnableADWS=0.
Note: If not explicitly specified on the silent command line, the installer applies the default value on fresh installs or prefers the existing registry value during upgrades.
0

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