Windows 8 Virtual Desktop Infrastructure image

Windows 8 Virtual Desktop Infrastructure image
Windows 8 Virtual Desktop Infrastructure
image client tuning guide
Microsoft Corporation
Published: August 2013
Abstract
This guide describes important tuning parameters and settings that you can adjust to optimize the
Windows 8 operating system image being deployed as part of a Windows Server 2012 Virtual
Desktop Infrastructure (VDI) solution.
The guide is for IT pros and systems administrators who need to perform VDI image tuning. For
the most current version of this guide, see Performance Tuning Guidelines for Windows Server
2012 in the Windows Dev Center.
Copyright Information
This document supports a preliminary release of a software product that may be changed
substantially prior to final commercial release, and is the confidential and proprietary information
of Microsoft Corporation. It is disclosed pursuant to a non-disclosure agreement between the
recipient and Microsoft. This document is provided for informational purposes only and Microsoft
makes no warranties, either express or implied, in this document. Information in this document,
including URL and other Internet Web site references, is subject to change without notice. The
entire risk of the use or the results from the use of this document remains with the user. Unless
otherwise noted, the companies, organizations, products, domain names, e-mail addresses,
logos, people, places, and events depicted in examples herein are fictitious. No association with
any real company, organization, product, domain name, e-mail address, logo, person, place, or
event is intended or should be inferred. Complying with all applicable copyright laws is the
responsibility of the user. Without limiting the rights under copyright, no part of this document may
be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by
any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose,
without the express written permission of Microsoft Corporation.
Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual
property rights covering subject matter in this document. Except as expressly provided in any
written license agreement from Microsoft, the furnishing of this document does not give you any
license to these patents, trademarks, copyrights, or other intellectual property.
© 2013 Microsoft Corporation. All rights reserved.
Microsoft, BitLocker, BranchCache, DirectX, Forefront, Hyper-V, RemoteFX, Visual Basic,
Windows, Windows Media, Windows Server, and Windows Vista are trademarks of the Microsoft
group of companies.
All other trademarks are property of their respective owners.
Contents
Windows 8 Virtual Desktop Infrastructure image client tuning guide .............................................. 4
About this guide............................................................................................................................ 4
Reviewing VDI concepts .............................................................................................................. 4
Key decisions to consider ............................................................................................................ 5
Choosing the right VDI deployment type .................................................................................. 5
Choose a Windows bitwise edition for the guest operating system ......................................... 8
Requirements to support RemoteFX.......................................................................................... 10
Hardware requirements .......................................................................................................... 10
Software requirements ............................................................................................................ 10
Enabling RemoteFX ................................................................................................................ 10
Memory allocation ...................................................................................................................... 12
Disk size ..................................................................................................................................... 13
Disk partitions ............................................................................................................................. 14
Antivirus software ....................................................................................................................... 15
Windows 8 service configuration ................................................................................................ 16
Windows 8 configurations .......................................................................................................... 24
Conclusion .................................................................................................................................. 25
Resources .................................................................................................................................. 26
VDI Optimizer (AutoIT) by Jonathan Bennett ......................................................................... 26
PFE Windows 8 VDI script ...................................................................................................... 26
Windows Performance Recorder ............................................................................................ 27
Windows Performance Analyzer ............................................................................................. 28
Microsoft Assessment and Planning Toolkit v8 ...................................................................... 29
Recommended performance tools.......................................................................................... 29
Windows 8 Virtual Desktop Infrastructure
image client tuning guide
About this guide
This guide describes how you can tune the client operating system image used in your Virtual
Desktop Infrastructure (VDI) to obtain incremental client-side performance or energy efficiency
gains, especially when the nature of the workload varies little over time.
To have the greatest impact, your tuning changes should consider the hardware, workload, power
budgets, and performance goals of your VDI solution. This guide describes important tuning
considerations and settings that can result in improved performance or energy efficiency as well
as each setting and its potential effect to help you make an informed decision about its relevance
to your system, workload, performance, and energy usage goals. The information in this guide
helps to make images lean but supportable. With the proper tuning and testing, your applications
will be quick and usable.
Reviewing VDI concepts
Use the following Step-by-Step Guides for more information about how VDI works and how to
deploy Remote Desktop Services in a test environment see the RDS page on TechNet at
http://technet.microsoft.com/en-us/library/hh831447.aspx.
4
Key decisions to consider
VDI is a server role in the Windows Server 2012 operating system that provides technologies that
enable users to access data and applications from virtually anywhere on popular devices while
helping to maintain security and compliance.
Choosing the right VDI deployment type
Windows Server 2012 supports three different ways to configure the VDI environment, all using
the same platform (see Figure 1). They are, in order of required server space:

Sessions

Pooled virtual machines (VMs)

Personal VMs
Figure 1. VDI deployment options
You cannot necessarily build a virtual desktop the same way you build a physical desktop, but the
choices you make affect the image and its management costs:

Personalization. Do your users need the ability to customize their desktops? If so, what level
of customization do they need? With sessions and pooled VMs, users have limited
personalization capability with user disks, such as the ability to persist their data across
different logons. Although they cannot persist user-installed applications across logons, with
a personal desktop (assuming, of course, that the user has administrative rights on the
desktop), users can change any aspect of their desktop, including installing their own
applications across multiple logons. Depending on the user, this could change the workload
size and thus the memory requirements.

Application compatibility. Session-based desktops share a common server operating
system; therefore, any applications installed must be compatible with Windows Server 2012.
In both pooled VM scenarios, the Windows client operating system runs within the VM, so
application compatibility is always higher for VMs than sessions, but with personal VMs,
users can install their own apps, as opposed to pooled VMs, where IT decides which
5
applications are presented to the user. As a result, personal VMs provide the highest level of
application compatibility across all three deployment models. Again, you give up some control
over the installation.

Images. Single-image configurations are easier to manage and have lower costs than
personal VMs, where each user gets their own individual image. They also allow you to tune
to a consistent requirements set.

Cost. Because sessions offer the highest densities and are single images, they are often
easier to manage and offer the lowest cost. Pooled VMs get the single image and
management benefits of sessions, but higher densities and management efforts mean that
they are more expensive to deploy than sessions. Personal VMs have the lowest density and
highest management efforts, making them the most expensive of the three deployment
models, but bear in mind that Windows Server 2012 helps companies reduce overall VDI
total cost of ownership (TCO), with support for lower-cost storage (such as Server Message
Block [SMB] and direct attached storage [DAS]), application virtualization, dynamic memory,
and user disks.
Choose a Windows edition for the guest operating system. Although the Windows 7 Enterprise
operating system (with Remote Desktop Protocol [RDP] 8.0) supports many of the Microsoft
RemoteFX features in Windows Server 2012, the Windows 8 operating system is recommended
because of its significant improvements in:

Touch

Performance

Modern apps

User experience
The touch environment provides an interface for non-Microsoft products and supports a new
focus on devices and services (see Figure 2).
6
Figure 2. Windows edition comparison
The Windows 8 Enterprise operating system is the clear choice over the Windows 8 Pro
operating system, because it supports the following Windows Server 2012 features, which enrich
the VDI experience:

RemoteApp. RemoteApp makes it possible for administrators to deliver remote applications,
including 3D graphics and video, across LANs and WANs to users. Specifically, RemoteApp
enables a straightforward publishing process that allows you to provide apps on session or
VDI hosts to users, allows RemoteApp programs to run side by side with local applications,
and offers integration with the Start menu to make it simple for users to find and launch
RemoteApp programs even with limited bandwidth and high latency by dynamically adjusting
the fidelity of the user experience based on changing network conditions.

RemoteFX USB redirection. This feature allows you to redirect many devices to an
RD Virtualization Host (RDVH) server at the USB level and gives access to them from virtual
or session-based desktops. Advantages of this solution are that that no client computer
means no device drivers and a universal interface is provided that works with any USB
device on any platform on which RemoteFX USB redirection is supported. This solution
redirects many types of devices, including audio devices, storage devices, human interface
devices, all-in-one printers, and scanners. For more information about RemoteFX USB
redirection, see the Configuring USB Device Redirection with Microsoft RemoteFX Step-byStep Guide at http://go.microsoft.com/fwlink/?LinkId=192431.

RemoteFX virtual graphical processing unit (vGPU). GPU virtualization in RemoteFX
enables users to run graphical applications on a VM. It also enables administrators to share
physical graphics devices among multiple knowledge workers with VMs running on a Hyper-V
server. Enterprise customers who have consolidated their desktops onto a Hyper-V server
7
can take advantage of this technology, which includes a CPU-based graphics accelerator that
allows applications running in a VM to access GPU resources, even if the server has no
GPU, to provide a desktop graphics experience. The feature also supports virtualizing a GPU
in the host server in VMs, providing an accelerated Microsoft DirectX graphics experience for
3D or other graphics-intensive applications. RemoteFX vGPU provides the best:


Performance for 3D graphics-intensive applications

Experience, with full animations and transitions

Application compatibility, running as a console session in a VM
Touch-enabled. Windows 8 Enterprise fully supports touch-enabled devices and
applications.
For a more detailed comparison, see the blog, “RemoteFX Features for Windows 8 and Windows
Server 2012,” at http://blogs.msdn.com/b/rds/archive/2012/11/26/remotefx-features-for-windows8-and-windows-server-2012.aspx, where author Shanmugam Kulandaivel, a senior program
manager on the Remote Desktop Virtualization team, concludes: “Remote computers running
Windows 8 Enterprise provide the best user experience and support all management features.
Therefore, Windows 8 Enterprise is the only supported edition for use with Windows Server 2012
virtual desktop collections (VDI).”
Choose a Windows bitwise edition for the guest
operating system
Finally, the question comes down to Windows 8 32 bit or 64 bit (see Figure 3):

32 bit has a smaller footprint on the disk but can only support 4 GB of RAM.

64 bit is a good fit if physical machines will use the 64-bit edition to avoid multiple application
compatibility retesting.
8
Figure 3. Memory usage comparison
As you can see, there is relatively no difference between the 32- and 64-bit memory footprint
before tuning. The only key difference from the services perspective is the Windows on Windows
service to allow 32-bit operating systems to run on a 64-bit platform, which adds approximately
2 GB. Microsoft recommends using 64-bit Windows as the default and 32-bit Windows as optional
if technical or business requirements are identified, such as needing to run 32-bit applications.
9
Requirements to support RemoteFX vGPU
RemoteFX is a set of protocols that use Microsoft’s Remote Desktop Protocol (RDP) to deliver
virtual desktops remotely. The technology comes with numerous improvements in Windows
Server 2012 but requires Windows upgrades for customers. One feature is RemoteFX vGPU.
This gives the ability to use a physical graphic adapter (GPU) in the Hyper-V host to accelerate
the host-side rendering of display content.
Hardware requirements
Note the following hardware requirements for RemoteFX:


The GPU must support Microsoft DirectX 11:

A list of certified GPUs can be found on the Windows Server Catalog website at
http://server.windowsmarketplace.com.

At present, six NVIDIA and two Intel embedded or dedicated cards on the server have
been certified for RemoteFX support. You can find a list of AMD chips which support
RemoteFX vGPU at
http://www.amd.com/US/PRODUCTS/WORKSTATION/GRAPHICS/SOFTWARE/Pages/r
emote-fx.aspx, and a list of NVIDIA chips at http://blogs.nvidia.com/blog/2012/06/13/forbest-virtual-desktop-nvidia-vgx-windows-remotefx/.
The RDVH or RD Session Host (RDSH) processor must support Second-Level Address
Translation (SLAT):

Intel processors identify this with the term extended page tables (EPT).

AMD processors identify this with the term nested page tables (NPT).
Software requirements
Note the following software requirements for RemoteFX:

VDI guest VMs must use the Windows 8 64-bit Windows Display Driver Model (WDDM) 1.20
driver to prevent rendering issues.

The RDVH or RDSH role service must be enabled on the RemoteFX server to provide
RemoteFX in client sessions and VMs.
Enabling RemoteFX
On the Hyper-V server, confirm that the WDDM 1.2 driver is selected from the GPU list. This
setting lets you see WDDM as a configuration option in your VDI session. Then, select the Use
this GPU with RemoteFX option (see Figure 4).
10
Figure 4. Configuring vGPU for RemoteFX
For more information on RemoteFX requirements and setup, see “Microsoft RemoteFX
requirements in Windows Server 2012” at
http://searchvirtualdesktop.techtarget.com/tip/Microsoft-RemoteFX-requirements-in-WindowsServer-2012.
11
Memory allocation
Memory should be 1–4 GB per client. You can use tools such as LogIn VSI (see Resources,
below) to model your workload requirements. The Login VSI workloads are:

Small: 1.5–2 GB

Medium: 2–3 GB

Large: 2–4 GB (or more)
If you need more than that, you can get more dedicated RAM. Dynamic memory will handle
fluctuating demands for memory within a specified range. For extra-large workloads, consider
using blade servers.
12
Disk size
For tuning purposes, the deciding factors can be summarized based on your requirements. If your
applications need to be inside of non-persistent (pooled) client sessions, it will change the disc
size. The following factors affect the drive size of the virtual desktop:


Pooled versus personal VDI:

Pooled configurations range from 22 GB to 40 GB.

Personal configurations range from 40 GB to 65 GB.
Virtualization readiness of applications:

Compatibility. Can the application be virtualized by using RemoteApp or Microsoft
Application Virtualization?

Performance. Are adverse performance hits associated with a virtualized application
versus a traditionally installed Windows Installer package? If the application is not
virtualized, will it be installed locally to the guest VM?
13
Disk partitions
Using the default installation routine creates a 350 MB system reserved drive for storing BitLocker
Drive Encryption data, but there is no need for BitLocker on VMs. Removing BitLocker eliminates
350 MB of content. There are several methods to prevent creation of the BitLocker partition:

During operating system installation, use Microsoft Deployment Toolkit (MDT) 2012 Update 1
to build the image.

Use the DoNotCreateExtraPartition=YES rule.

Use scripted DISKPART commands.
14
Antivirus software
Antivirus software presents several challenges as far as installed agents, latest updates, intrusion
detection, and so on. These can all create large performance impacts on logon speed, I/O
frequency, and storage area network (SAN) performance. You essentially have two options

Run agent live in clients. This gives you a 10–12 percent increase in disc I/O depending on
roles set and how often you update. Although this number may seem insignificant, it becomes
a larger issue if you are running many machines.

Prescan a reference VM and create exceptions for operating system files. Doing so
makes more sense for a persistent environment, where if you get a virus notification you shut
down, reload, and you are done. In a pooled environment, you are likely looking at a different
sizing and capacity plan anyway.
For more details on antivirus software in VDI environments, see the BriForum 2012 session on
antivirus from Jeroen van de Kamp at
http://www.brianmadden.com/blogs/videos/archive/2012/08/01/briforum-2012-chicago-newinsights-a-virtual-reality-check-on-anti-virus-for-vdi-and-windows-8-2012-performance.aspx,
where Microsoft Forefront Protection 2010 was identified as a “clear winner” based on his testing.
15
Windows 8 service configuration
Many tuning advantages come from properly configuring the Windows 8 services. This chart contains recommendations for optimal configuration.
Service name
Default
Recommended
Details
Application Layer
Gateway Service
Manual
Disabled
This service manages mobile broadband (Global System for Mobiles
[GSM] and Code Division Multiple Access [CDMA]) data card/embedded
module adapters and connections by auto-configuring the networks.
Microsoft strongly recommends that this service be kept running for the
best user experience of mobile broadband devices.
Background Intelligent
Transfer Service
Manual
Disabled
VDI infrastructure is usually connected to fast LAN or WAN links to
infrastructure servers hosting data.
BitLocker Drive
Encryption Service
Manual (TS)
Disabled
BitLocker is not available for use in a VMs.
Block-Level Backup
Engine Service
Manual
Disabled
This service is used to back up data on the client computer; it is not used
for VMs.
Bluetooth Support
Service
Manual (TS)
Disabled
Bluetooth Wireless not supported from a VM.
Microsoft BranchCache
Manual
Consider
This service caches network content from peers on the local subnet.
16
Service name
Default
Recommended
Details
Computer Browser
Manual (TS)
Disabled
Maintains an updated list of computers on the network and supplies this
list to computers designated as browsers.
Device Association
Service
Manual (TS)
Disabled
Enables pairing between the system and wired or wireless devices.
Disabled
Enables the detection, download, and installation of device-related
software. If this service is disabled, devices may be configured with
outdated software and may not work correctly.
Disabled
This service enables problem detection, troubleshooting, and resolution
for Windows components. If this service is stopped, diagnostics will no
longer function.
Disabled
The Diagnostic Policy Service uses the Diagnostic Service Host to host
diagnostics that need to run in a Local Service context. If this service is
stopped, no diagnostics that depend on it will function.
Device Setup Manager
Diagnostic Policy
Service
Diagnostic Service Host
Manual (TS)
Automatic
Manual
Diagnostic System Host
Manual
Disabled
The Diagnostic Policy Services uses the Diagnostic System Host to host
diagnostics that need to run in a Local System context. If this service is
stopped, no diagnostics that depend on it will function.
Distributed Link
Tracking Client
Automatic
Consider
Tracks NTFS file system links locally and across the network (but only if
the service is also running on the remote system).
17
Service name
Default
Recommended
Details
Encrypting File System
Manual (TS)
Consider
Provides the core file encryption technology used to store encrypted files
on NTFS file system volumes. If this service is stopped or disabled,
applications will be unable to access encrypted files.
Extensible
Authentication Protocol
(EAP)
Manual
Consider
The EAP service provides network authentication in such scenarios as
802.1x wired and wireless networks, virtual private network (VPN), and
Network Access Protection (NAP).
Family Safety
Manual
Disabled
This service is a stub for Windows Parental Control functionality that
existed in the Windows Vista operating system. It is provided for
backward compatibility only.
Fax
Manual
Disabled
Enables you to send and receive faxes, using fax resources available on
this computer or on the network.
Function Discovery
Resource Publication
Manual
Disabled
Publishes this computer and resources attached to this computer so they
can be discovered over the network. If this service is stopped, network
resources will no longer be published and will not be discovered by other
computers on the network.
File History Service
Manual (TS)
Consider
Protects user files from accidental loss by copying them to a backup
location.
Home Group Listener
Manual
Disabled
Used to establish Home Groups; not used with VMs in a corporate
environment.
18
Service name
Default
Recommended
Details
Home Group Provider
Manual (TS)
Disabled
Used to establish Home Groups; not used with VMs in a corporate
environment.
Internet Connection
Sharing
Disabled
Disabled
Provides network address translation (NAT), addressing, name
resolution, and intrusion-prevention services for a home or small office
network.
Microsoft Account SignIn Assistant
Manual (TS)
Consider
Enables user sign-in through Microsoft account identity services. If this
service is stopped, users will not be able to log on to the computer with
their Microsoft account.
Microsoft iSCSI Initiator
Service
Manual
Disabled
Internet SCSI (iSCSI) will not be used on virtual desktops.
Microsoft Software
Shadow Copy Provider
Manual
Disabled
Manages software-based volume shadow copies taken by the Volume
Shadow Copy service. If this service is stopped, software-based volume
shadow copies cannot be managed. If this service is disabled, any
services that explicitly depend on it will fail to start.
Network List Service
Manual
Automatic
Identifies the networks to which the computer has connected, collects
and stores properties for these networks, and notifies applications when
these properties change.
Offline Files
Manual (TS)
Disabled—
Requires a Group
The Offline Files service performs maintenance activities on the Offline
Files cache, responds to user logon and logoff events, implements the
internals of the public application programming interface (API), and
19
Service name
Optimize Drives
Default
Manual
Recommended
Details
Policy object
(GPO)
dispatches interesting events to those interested in Offline Files activities
and changes in cache state.
Disabled
Helps the computer run more efficiently by optimizing files on storage
drives.
Sensor Monitoring
Service
Manual (TS)
Consider
Monitors various sensors to expose data and adapt to system and user
state. If this service is stopped or disabled, the display brightness will not
adapt to lighting conditions. Stopping this service may affect other
system functionality and features, as well.
Secure Socket
Tunneling Protocol
Service
Manual
Disabled
This service publishes a machine name using the Peer Name Resolution
Protocol. Configuration is managed via the netsh context p2p pnrp
peer.
Shell Hardware
Detection
Automatic
Disabled
Provides notifications for AutoPlay hardware events.
Disabled
Receives trap messages generated by local or remote Simple Network
Management Protocol (SNMP) agents and forwards the messages to
SNMP management programs running on this computer. If this service is
stopped, SNMP-based programs on this computer will not receive SNMP
trap messages. If this service is disabled, any services that explicitly
depend on it will fail to start.
SNMP Trap
Manual
20
Service name
SSDP Discovery
Default
Manual
Recommended
Details
Disabled
Discovers networked devices and services that use the Simple Service
Discovery Protocol (SSDP), such as Universal Plug-and-Play (UPnP)
devices. It also announces SSDP devices and services running on the
local computer. If this service is stopped, SSDP-based devices will not
be discovered. If this service is disabled, any services that explicitly
depend on it will fail to start.
Telephony
Manual
Disabled
Provides Telephony API support for programs that control telephony
devices on the local computer and, through the LAN, on servers that are
also running the service.
Themes
Automatic
Consider
Provides user experience theme management.
Disabled
Allows the computer to host UPnP devices. If this service is stopped, any
hosted UPnP devices will stop functioning, and no additional hosted
devices can be added. If this service is disabled, any services that
explicitly depend on it will fail to start.
UPnP Device Host
Manual
Volume Shadow Copy
Manual
Consider
Manages and implements volume shadow copies used for backup and
other purposes. If this service is stopped, shadow copies will be
unavailable for backup, and the backup may fail. If this service is
disabled, any services that explicitly depend on it will fail to start.
Windows Backup
Manual
Disabled
Provides Windows Backup and Restore capabilities.
21
Service name
Default
Recommended
Details
Windows Color System
Manual
Disabled
The WcsPlugInService service hosts non-Microsoft Windows Color
System color device model and gamut map model plug-in modules.
Windows Connect
Now–Config Registrar
Manual
Disable
WCNCSVC hosts the Windows Connect Now Configuration, which is
Microsoft’s Implementation of the Wi-Fi Protected Setup protocol.
Windows Defender
Automatic (TS)
Consider—
Requires a GPO
Helps protect users from malware and other potentially unwanted
software.
Windows Error
Reporting Service
Manual (TS)
Disabled
Allows errors to be reported when programs stop working or responding
and allows existing solutions to be delivered. Also allows logs to be
generated for diagnostic and repair services.
Windows Media Player
Network Sharing
Service
Manual
Disabled
Shares Windows Media Player libraries to other networked players and
media devices using UPnP.
Windows Search
Automatic
(Delayed)
Consider
Provides content indexing, property caching, and search results for files,
email, and other content.
Disabled
The WLANSVC service provides the logic required to configure,
discover, connect to, and disconnect from a wireless LAN (WLAN), as
defined by Institute of Electrical and Electronics Engineers (IEEE
) 802.11 standards.
WLAN AutoConfig
Manual
22
Service name
WWAN AutoConfig
Default
Manual
Recommended
Details
Disabled
This service manages mobile broadband (GSM and CDMA) data
card/embedded module adapters and connections by auto-configuring
the networks. Microsoft strongly recommends that this service be kept
running for the best user experience of mobile broadband devices.
23
Windows 8 configurations
You can gain further improvement by configuring Windows 8 to reduce I/O and other overhead.
Task
Effect
Configure event log size and retention.
Set event log sizes to minimum size and configure retention to overwrite when needed,
which reduces overhead for event logging (especially in pooled VM scenarios).
Disable hard disk timeouts, increase disk I/O
timeout, disable NTFS file system last access
timestamp, disable System Restore, disable
hibernation, perform a disk cleanup.
Reduce I/O load when Write operations occur, allow longer Write operations, and clean up
the disk before running the System Preparation Tool.
Disable unneeded scheduled tasks.
Thirty-six scheduled tasks are associated with disabled services or services not useful in a
virtual environment.
Reconfigure boot (quiet boot/no animation),
disable User Account Control (UAC) secure
desktop prompt, set visuals to a minimum.
Reduce overhead on the vGPU or virtual CPU (vCPU).
24
Conclusion
The VDI implementation with Windows Server 2012 is a powerful tool for the workplace, allowing
you to offer Software as a Service in an environment where people connect on a variety of
devices. Although significant performance gains can be made on the server side, the
recommendations in this guide allow you to tune the client image in a way that maximizes
performance while preserving maintainability and scalability.
25
Resources
Several non-Microsoft tools can help you monitor and improve your images’ performance. This is
a partial list of recommended tools.
VDI Optimizer (AutoIT) by Jonathan Bennett
VDI Optimizer (see Figure 5) creates a Microsoft Visual Basic Scripting Edition (VBScript) script
that can then be run on the computer to configure the settings as defined. The current script is
focused on Windows 7.The last release date was August 2010, and there are no current plans to
update to support Windows 8.However, there is a strong correlation to Windows 8, and it may be
a good starting point for you to consider your own automation.
Figure 5. VDI Optimizer
For more information, see the Microsoft TechNet article, “List of Resources on Windows 7
Optimization for VDI,” at http://social.technet.microsoft.com/wiki/contents/articles/4495.list-ofresources-on-windows-7-optimization-for-vdi.aspx?wa=wsignin1.0.
PFE Windows 8 VDI script
This script configures services, machine settings, and user settings to optimize the computer for
Windows 8 VDI (see Figure 6).
26
Figure 6. PFE Windows 8 VDI script
For more information, see the blog, “Hot off the presses, get it now, the Windows 8 VDI
optimization script, courtesy of PFE!” at
http://blogs.technet.com/b/jeff_stokes/archive/2013/04/09/hot-off-the-presses-get-it-now-thewindows-8-vdi-optimization-script-courtesy-of-pfe.aspx.
Windows Performance Recorder
You access Windows Performance Recorder from the command line by running the Windows
Performance Toolkit (XPerf). The tool monitors Windows client performance for the following
scenarios:

Performance scenarios

Steady-state performance tracking

System boot tracing

Fast startup

Shutdown

Reboot cycle

Standby/resume

Hibernate/resume
Figure 7 shows the available options.
27
Figure 7. Windows Performance Recorder options
For more information, go to http://msdn.microsoft.com/en-us/library/hh162977.aspx. Also see the
blog, “XPerf for the layman,” at http://blogs.technet.com/b/jeff_stokes/archive/2013/03/16/xperffor-the-layman-performance-analysis-unchained-windows-assessment-toolkit-revealed.aspx.
Windows Performance Analyzer
Windows Performance Analyzer lets you review and analyze the performance logs that the
Windows Performance Recorder collects. Figure 8 provides an example.
28
Figure 8. Windows Performance Analyzer results
Microsoft Assessment and Planning Toolkit v8
Although good for collecting data, the tool does not really help you determine which VDI solution
is best for you. The toolkit performs the following tasks:

Hardware and software inventory

Some performance assessment

Limited value for VDI planning
Recommended performance tools
Other tools that may help you fine-tune your implementation are provided here:

Login VSI. Login VSI creates workloads to help you understand peak capacity and disk
storms. After you have created an environment, you run the tool against it to test your design.

LiquidwareLabs Stratusphere FIT. Stratusphere FIT helps you determine good VDI
candidates as well as good application virtualization candidates.

Lakeside Software SysTrack. This tool manages and reports on virtualized desktop
environments.
29
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertising