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# NV silent installation

NV is set to install by default when you install components silently. If you opted not to install NV at that time, you can run a separate, silent NV installation.

In this topic:

## Install NV silently

The following steps describe the silent installation process.

To run a silent NV installation:

1. Prerequisites:

   - Make sure the Microsoft SmartScreen Filter has been turned off.

   - You must run the installation with administrator privileges.

2. Run the following command with the relevant command line options.

       <installation_file> /s /v"/qn <command_line_options>"

   Example:

   `NV4LGSetup.exe /s /v"/qn PORT=8182"`

   Command line options:

   Option | Details
   --- | ---
   PORT=<port number> | (Required) The port used to connect. Default value: `8182`
   INSTALLDIR=\"<path to installation folder>\" | (Optional) The location where the application files will be installed. Default value: `C:\Program Files\OpenText\NV`
   ENABLE_REMOTE=<TRUE | FALSE> | (Optional) Opens the port in the firewall. Required for enabling remote access to web-based NV components. Default value: `TRUE`
   REBOOT_IF_NEED=<TRUE | FALSE> | (Optional) If a reboot is required, automatically reboots the computer after installation completes. Even if set to FALSE, you need to reboot the machine before NV for Controller is operational. Default value: `FALSE`
   DATA_FOLDER="<path to data dir>" | (Optional) The location where temporary internal application data and user data is saved. Default value: `C:\ProgramData\OpenText\NV`

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## Uninstall NV silently

To uninstall NV silently, run the following command:

    <installation_file> /s /removeonly /v"/qn PORT=<port number> REBOOT_IF_NEED=<TRUE | FALSE>"

Example: `NV4LGSetup.exe /s /removeonly /v"/qn PORT=8182 REBOOT_IF_NEED=<TRUE | FALSE>"`

## See also

- Install Network Virtualization
- Prepare for installation

https://admhelp.microfocus.com Professional Performance Engineering,VuGen 8942
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