Citrix Virtual Apps and Desktops 7 1811




Software update: Citrix Virtual Apps and Desktops 7 1811
Citrix has released a new version of its Citrix Virtual Apps and Desktops, formerly known as XenApp and XenDesktop, with version number 7 1811. The Desktop part is a virtual desktop infrastructure , or simply vdi, for offering a virtualized Windows desktop environment. The Virtual Apps part takes care of the provision of applications. For more information we refer to this page . The new name and version numbering was introduced with the previous edition. The what’s new section of this issue looks like this:

Citrix Virtual Apps and Desktops 7 1811

This product release includes the following new, modified, and enhanced features.

Delivery Groups: New Studio interface for creating machine restart schedules
In earlier releases, you used Studio to create a restart schedule for machines in a Delivery Group. To create multiple schedules, you used PowerShell cmdlets. Now, the updated Studio interface allows you to create and manage one or more restart schedules. For details, see Create and manage restart schedules for machines in a Delivery Group.

Citrix Scout: AOT traces on network shares
In earlier releases, Always On Tracking (AOT) traces that were saved to network shares were not included in collected diagnostics. Now, those traces are included. For details, see Citrix Scout.

Machine catalogs: New functional level
A new machine catalog functional level has been added. The default remains 7.9 (or newer). Keep that default, unless all of the VDAs in the catalog are version 1811 or later supported versions. For more information, see VDA versions and functional levels.

Machine Creation Services (MCS) provisioning to AWS dedicated hosts
This release adds support for Machine Creation Services (MCS) provisioning to AWS dedicated hosts. You can create a catalog of machines with host tenancy defined through PowerShell. See AWS host tenancy support.

Support for AWS IAM roles
Citrix Studio supports the ability to configure an AWS Hosting Connection to use IAM roles by specifying role_based_auth in place of Access Key and Secret Key. An IAM Role defining the policy and permissions required by Citrix should be attached to AWS hosted Delivery Controllers or Cloud Connectors instances.

Citrix Director

Logon Performance – Profile Drilldown
The Logon Duration panel in the User Details of the logon process. Profile Drilldown provides useful information about user profiles for the current session that can help administrators troubleshoot high profile load issues. A tool tip with the following user profiles information is displayed:
Number of files
Profile size
Number of large files
A detailed drill down Provides information about the individual folders, their size and the number of files. This feature is available on Delivery Controller version 7 1811 or later and VDAs 1811 or later. For more information, see Diagnosis user logon issues.

Microsoft RDS license health
Director now displays the Microsoft RDS (Remote Desktop Services) license status on the Machine Details panel for the Machine Details and the User Details page for Server OS machines. An appropriate message is displayed for the license status. You can hover over the info icon to see further details. For more information, see the Microsoft RDS license health section in Troubleshooting Machines.

Hypervisor alerts monitoring
Director now displays alerts to monitor hypervisor health. Alerts from Citrix Hypervisor and VMware vSphere are supported. Hypervisor alerts help monitor the following states / parameters:
CPU usage
Memory usage
Network usage
Hypervisor connection unavailable
Disk usage (vSphere only)
Host connection or power state (vSphere only)
Hypervisor alerts monitoring is available for Premium licensed Sites. This feature requires Delivery Controller version 7 1811 or later. If you are using an older version of the latest version of the Site, only the hypervisor alert count is displayed. To view the alerts, upgrade Director. For more information, see the Hypervisor alerts monitoring section in Alerts and Notifications.

Key RTOP Data display
Director now displays RTOP (RealTime Optimization Pack) key 2.6 data in the HDX panel of the User Details page. This helps monitor the following status of the RTOP pack for each user:
Status (optimized, fallback)
RTC version
RTME version on user device
Packet loss metrics
This feature requires Delivery Controller (s) 7 1811 or later, and VDA 1808 or later.

Application Probing access through Citrix Gateway
You can now use Director’s Application probing feature to probe Citrix Virtual Apps from anywhere. You can use Citrix Application Probe Agent on endpoint machines that are hosted in a different network. You can access the Site you want to probe through the Citrix Gateway. To do this, while configuring the Citrix Application Probe Agent, type the Citrix Gateway URL in the StoreFront URL field. Citrix Gateway automatically routes the request to the corresponding Site StoreFront URL. This feature is available for Citrix Gateway version 12.1 or later, and Delivery Controller (s) 1811 or later. For more information about Application probing setup, see Application probing.

Virtual Delivery Agents (VDAs) 1811

Version 1811 of the VDA for Windows Server OS and the VDA for Windows Desktop OS includes the following enhancements (in addition to the VDA installation and upgrade items listed above):

Graphics status indicator
The Graphics status indicator policy has been updated to replace the display lossless indicator policy. This setting configures the graphics status indicator to run in the user session. It allows you to see details about the graphics mode in use, including graphics provider, encoder, hardware encoding, image quality, progressive display status, and lossless text. By default, the Graphics status policy is disabled. It replaces the display lossless indicator policy or earlier releases, which was enabled by default. For more information, see Graphics status indicator.

DPI matching on Windows 10
DPI matching allows the Windows 10 desktop session to match the DPI of the endpoint when using Citrix Workspace app for Windows. Note: This setting is off by default. DPI matching is enabled when the DPI setting is set to No. When using VM hosted apps, the DPI is set to 100% by default.

Client drive mapping performance improvements
Client drive mapping now supports the transfer of data from the host to the client as a stream. This enhancement ensures that the file transfer adapts to the changing network throughput conditions. It also uses any bandwidth to scale up the data transfer rate. By default, this feature is enabled. These improvements require Citrix Workspace app for Windows 1811 or later.
To disable this feature, set the following registry and restart the server:
HKEY_LOCAL_MACHINE \ System \ Currentcontrolset \ services \ picadm \ Parameters
Name: DisableFullStreamWrite
0x01 – disables
0 or delete- enable

HDX adaptive throughput
HDX adaptive throughput intelligently fine-tunes the peak throughput of the ICA session by adjusting output buffers. The number of output buffers is initially set at a high value. This high value allows data to be transmitted to the client more quickly and efficiently, especially in high latency networks. Providing better interactivity, faster file transfers, smoother video playback, higher framerate and resolution results in an enhanced user experience. Session interactivity is constantly measured to any data streams within the ICA session are adversely affecting interactivity. If that occurs, the throughput is reduced to the impact of the large data stream. This feature is supported only on Citrix Workspace app 1811 for Windows or later.

Important: HDX adaptive throughput changes The way that output buffers are set by moving this mechanism from the client to the VDA. Therefore, adjusting the number of output buffers on the client as described in the Knowledge Base article CTX125027 has no effect.

Virtual display layout
This feature allows you to define a virtual monitor layout that applies to the remote desktop and to virtually split a single client monitor into up to eight monitors on the remote desktop. You can configure the virtual monitors on the “Monitor Layout” tab in the desktop viewer. There, you can draw horizontal or vertical lines to separate the screen into virtual monitors; the screen is split according to specified percentages of the client monitor resolution. You can set a DPI for the virtual monitors that will be used for DPI scaling or DPI matching. After applying a virtual monitor layout, resize or reconnect the session. This configuration applies to all applicable connections from the client, single-screen desktop monitors, and does not affect any published applications.
Version number 7 1811
Release status Final
Operating systems Windows Server 2012, Windows Server 2016
License type Paid


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