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DV-B308: Optimizing Windows 8 for Virtual Desktop Infrastructure. Carl Luberti Premier Field Engineer Microsoft. Doug Klokow Solution Architect Microsoft. Session Objectives. Microsoft G uidance for Windows 8 Configuration Detailed Review of Component Configuration
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Premier Field Engineer
Microsoft Guidance for Windows 8 Configuration
Detailed Review of Component Configuration
Recommendations for Performance Testing Approach
Good ★ Better ★★ Best ★★★
Windows 8 Professional or Enterprise?
“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).”
Windows 8 32-bit or 64-bit
32-bit has a smaller footprint on the disk, but can only support 4GB of RAM
64-bit may be selected if physical machines will use the 64-bit edition to avoid multiple application compatibility retesting
Consider using 64-bit as the default, and 32-bit as optional if technical or business requirements are identified.
Dynamic memory will handle fluctuating demands for memory within a specified range
Recommended Minimum 1GB
Maximum based on workload
Small -> 1.5 to 2GB
Medium -> 2GB to 3GB
Large -> 2GB to 4GB (or more)
Consider using Blade Servers for Extra Large workloads
OSDisk drive size of the Virtual Desktop is impacted by the following factors:
Pooled versus Personal VDI
Pooled range from 22GB to 40GB
Personalrange from 40GB to 65GB
Virtualization Readiness of Applications
Compatibility – can the application be virtualized?
Performance – Are there adverse performance impacts associated with a virtualized application versus a traditionally installed MSI?
If the application is not virtualized, will it be installed local to the guest VM?
Using the default install routine will create a 350MB System Reserved drive to store BitLocker data
Prevent the creation of this partition during OS installation using MDT 2012 to build the image
Utilize the “DoNotCreateExtraPartition=YES” rule to prevent the creation of the “System Reserved” partition.
Or use Scripted DISKPART commands….
Increase of ~2.2 GB when using 64-bit
Default – 1 Virtual Processor
Medium Usage – 2 Virtual Processors
Heavy Usage – 2 to 4 Virtual Processors
Note: Is you are using the Hyper-V hypervisor, fairshare will balance usage of processors to avoid one client consuming all available physical processor bandwidth
GPU must support DirectX 11
A list of certified GPU’s can be found on the Windows Server Catalog web site – link
At present there are 6 NVIDIA cards certified for RemoteFX
RDVH or RDSH processor must support SLAT (Second-Level Address Translation)
Intel Processors identify this with the term Extended Page Tables (EPT)
AMD Processors identify this with the term Nested Page Tables (NPT)
VDI guest VMs must use the Windows 8 64-bit WDDM v1.20 driver to prevent rendering issues
RDVH or RSDH role service must be enabled on the RemoteFX server to provide RemoteFX in client sessions/VMs
On the Hyper-V Server
Confirm that the WDDM v1.2 driver is selected in the GPU drop down
Check the “Use this GPU with RemoteFX”
Run agent live in clients
Pre-Scan reference virtual machine & create exceptions
BriForum 2012 Session on AntiVirus from Jeroen van de Kamp
Microsoft ForeFront 2010 was identified as a “clear winner” based on his testing
VDI Optimizer (AutoIT) by Jonathan Bennett
Creates a VBScript that can then be run on the machine to configure the settings as defined.
The last release date was Aug of 2010, and there are no current plans to update to support Windows 8.
Focused on Windows 7
Useful to review tested configuration settings
Strong correlation to Windows 8
PFE Windows 8 VDI Script
Windows Performance Recorder monitors Windows client performance
Command Line: XPERF
Steady State Performance Tracking
System Boot Tracing
Xperf for the layman (Blog Post)
Windows Performance Analyzer allows for the review and analysis of the performance logs collected by the WPR
Microsoft Assessment and Planning Toolkit v8
Some performance assessment
Limited value for VDI planning
LiquidwareLabs Stratusphere FIT
Lakeside Software SysTrack
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