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VDI Host Configuration

  • Parallels Remote Application Server 16.5

To configure a VDI host:

  1. In the RAS Console, navigate to Farm / Site / VDI Hosts.
  2. Select the Virtual Desktop Hosts tab page in the right pane.
  3. Select a VDI host in the VDI Hosts list and click Tasks > Properties. The Host Properties dialog opens.

Enabling or disabling a VDI host in the farm

By default a VDI host is enabled in the farm. When it is disabled, published applications and virtual desktops cannot be served from it. To enable or disable a VDI host, use the Enable Host in site option on the Properties tab page.

Configuring VDI host connection settings

The following settings can be configured on the Properties tab page:

  • VDI Type: Hypervisor type.
  • VDI Version: Hypervisor version. If the hypervisor version that you are using is not listed, select Other.
  • VDI Host: The VDI host IP address.
  • VDI Port: Port number on which the VDI host listens for incoming connections.
  • Description: An optional description.
  • VDI Agent Service is running on Appliance: This option is enabled or disabled based on whether this feature is supported on the selected hypervisor. It specifies whether the RAS VDI Agent is running on a virtual appliance.
  • VDI Agent: The virtual appliance IP address. This field is enabled if the option above is selected.


Specifying credentials

On the Credentials tab page, specify the user name and password to log into the VDI host. Click the Check Credentials button to verify the credentials that you've entered.

Configuring the RAS VDI Agent on the server

RAS VDI Agent can be configured on the Agent Settings tab page.

  • Max number of powered-on guest VMs: Specifies the maximum allowable number of powered-on guest VMs.
  • Publishing Session Timeout: Specifies the amount of time each session remains connected in the background after the user has closed the published application. This option is used to avoid unnecessary reconnections with guest VMs.
  • Allow Client URL/Mail Redirection: Select this option to allow https and mailto links to be opened using a local application on the client computer rather than the server resources.
  • Preferred Publishing Agent: Select a Publishing Agent with which the RAS VDI Agent should communicate. This can be helpful when site components are installed in multiple physical locations communicating through WAN. You can decrease network traffic by specifying a more appropriate Publishing Agent.
  • Allow file transfer command: Allows you to enable or disable the remote file transfer functionality.
  • Allow local to remote drag and drop. Enables the drag and drop functionality in a remote application. When this option is enabled, an end user can drag and drop files to a remote application on their local device. For example, a user can drag and drop a file to the Acrobat reader to open a PDF file. Or a user can drag and drop a file to Windows Explorer running on a remote server, etc.


Configuring RDP printing

The RDP Printer tab allows you to configure the renaming format of redirected printers.  The format may vary depending on which version and language of the server you are using. Select the RDP Printer Name Format option specifically for the configured server:

  • Printername (from Computername) in Session no.
  • Session no. (computername from) Printername
  • Printername (redirected Session no)

The other RDP Printing options available in the RDP Printer tab  are:

  • Remove session number from printer name
  • Remove client name from printer name


Configuring VDI host maintenance time window

The Scheduler tab page allows you to create a maintenance time window for the server. During this time, published resources won’t be accessible from that server.

To configure a maintenance time window click Tasks > Add and then set the following options:

  • Start date
  • Time
  • Duration
  • Repeat

The On disable option allows you to specify what should happen to current sessions when a scheduled task triggers.

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