Modifying VDI Host Configuration

Read this section to learn how to modify the configuration of a VDI Host in Parallels RAS.

Configuring a VDI Host

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.

Note: Some of the properties described below may be unavailable on some servers. This depends on the type of the hypervisor installed on the host server.

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 properties 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.
• VDI Agent . The appliance or the RAS VDI Agent IP address.
• Change Direct Address . If selected, allows you to specify the IP address that can be used by Parallels Clients to directly connect to the host. The direct address is only used in the Direct Connection mode and it could be an internal or external IP address.

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

Each VDI host in the farm has the RAS VDI Agent installed (or running in an appliance).  The VDI agent can be configured on the Agent Settings tab page.

• Max Connections . 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 http 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.
• Logging . Enable or disable the RAS VDI Agent logging. Logging should only be enabled if instructed by the Parallels RAS Support.

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.