Windows 7 optimization guide for desktop virtualization


















SuperFetch SuperFetch improves on Prefetch by monitoring which applications you use the most and preloading those into your system memory so they will be ready when you need them. This service may be required by subsequent conferencing software. User data is protected by various methods in the enterprise, in most cases users will not be manually running backups with Windows Backup, so this service can be disabled.

Windows Defender Malware et al prevention service. Usually replaced with specific solutions that replace the functionality provided by Windows Defender service. Windows Font Cache Service Optimizes performance of applications by caching commonly used font data.

Windows Media Player Sharing Service Disable this service unless the functionality of sharing media is specifically needed. WPF applications will start this service if it is not already running. It can be disabled, though doing so could slightly reduce the performance of WPF applications.

One possible compromise might be to limit the scope of Indexed data to a very small subset. This service also has the ability to turn a computer into a wireless access point. The following table is for informational purposes. NET Framework 3. Windows 7 Group Policy settings are divided into 2 sections; machine and user. Machine settings are global to the operating system. The user settings are applied on a per-user basis, for all users logging on to that machine.

Note Microsoft does NOT recommend any changes that would lower security settings, or conflict with recommendations or requirements made by standards bodies such as USGCB. Any setting recommendation in this paper that is in conflict with standards recommendations should be ignored.

It must also register event providers and the configuration of the system that is required for events and event traces to be delivered to their destination event logs and trace files. The service exposes functions that enable programs to maintain and manage the event logs, configure event publishing, and perform operations on the logs, such as archiving and clearing.

Administrators can maintain event logs and perform administrative tasks using the Wevtutil command- line utility and the Event Viewer MMC plug-in. These operations require administrator privileges.

The same utilities allow viewing the contents of the logs and viewing the current status of the service and the logs. These operations may also require administrative privileges, depending on the security descriptor of the log. Managed Entities The following is a list of the managed entities that are included in this managed entity: Name Description Event Providers Event Providers publish events to event logs.

Providers are registered with the event logging and tracing subsystem of the Windows operating system. Their definition contains information required to interpret these events and to display readable strings that are associated with them.

Event Channel A channel is a pathway that events take between an event publisher and a log file. There is normally a single log file associated with a channel, although there may not be a log file created for channels that have not had any events published to them.

Each of these channels correspond to an event log that can be viewed in the Event Viewer. The System and Application channels are used by publishers to log administrator-level events.

Such events indicate system or application-wide issues. When error or warning events are published to these channels, the events should indicate that the administrator should take an action to resolve the issue. The Setup channel is used for events associated with setup and installations. The Security channel is the repository of the system audit events. Microsoft Corporation, A primary design goal of Windows 7 was supportability. Virtually all components within Windows are event enabled.

There are literally hundreds of event categories with many of those enabled for receiving events. With the VDI environment, the ability to capture events on hundreds or thousands of systems at once is less important per machine, because all the machines are nearly identical.

Performance Tuning Guidelines for Windows 7 Desktop Virtualization P a g e 18 Note Each of the two following lists encompass Event Log channels that are enabled by default, in a default installation of Windows 7. This is not the entire list of Event Log channels available overall in a default Windows 7 installation. The smallest event log size possible in Windows 7 is 1 MB. Even if a smaller size is specified, the size will remain at 1 MB.

There is a known issue where the VDS service generates spurious errors in the event log, per KB article If the base image is based on Windows 7 with SP1 embedded, there is little to cleanup. There are two ways to cleanup, first is the console application, CMD.

EXE, and the second is the Disk Cleanup wizard built-in. Open a CMD prompt as administrator 2. Disk Cleanup Wizard 1. In the Drives list, click the hard disk drive that you want to clean up, and then click OK. In the Disk Cleanup dialog box, on the Disk Cleanup tab, select the check boxes for the file types that you want to delete, and then click OK.

In the message that appears, click Delete files. To clean up all files on the computer 1. In the Disk Cleanup dialog box, click Clean up system files. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

In the Disk Cleanup: Drive Selection dialog box, select the hard disk drive that you want to clean up, and then click OK. The More Options tab is available when you choose to clean files from all users on the computer. This option opens Programs and Features in Control Panel, where you can uninstall programs that you no longer use. The Size column in Programs and Features shows how much disk space each program uses.

With this option, you can delete all but the most recent restore point on the disk. System Restore uses restore points to return your system files to an earlier point in time. If your computer is running normally, you can save disk space by deleting the earlier restore points. In some editions of Windows 7, restore points can include previous versions of files, known as shadow copies, and backup images created with Windows Complete PC Backup.

These files and images will also be deleted. Each fix should be individually evaluated for applicablility. Also, this list can change at any time. Please check the Microsoft Knowledge Base for the latest list of recommended hotfixes for Windows 7. It does this by loading application data into memory before it is demanded. For the VDI image, Prefetch should be disabled because some applications may be virtualized.

SuperFetch improves on Prefetch by monitoring which applications you use the most and preloading those into your system memory so they will be ready when you need them. For the VDI image, Superfetch should be disabled because some applications may be virtualized. This helps to reduce network traffic by reducing change notifications to network clients.

By default, the SMB redirector throttles throughput across high-latency network connections in some cases to avoid network-related timeouts. Setting this registry value to 1 disables this throttling, enabling higher file transfer throughput over high-latency network connections.

By default, the SMB redirector does not transfer payloads larger than approximately 64 KB per request. Setting this registry value to 0 enables larger request sizes, which can improve file transfer speed. Office Office Exchange Server. Not an IT pro? United States English. Post an article. Subscribe to Article RSS. Click Sign In to add the tip, solution, correction or comment that will help other users. Report inappropriate content using these instructions. Minimize the footprint, e.

Lock down user interface e. How many guests can we stuff into a host with performance and user experience still at acceptable levels? This script is the clarion call for those, a herald in dark times of performance degradation. It is, the script a couple PFEs wrote… It makes an image lean but supportable. Citrix Systems, Inc. Whitepaper Citrix XenDesktop—Windows 7 Optimization Guide for Desktop Virtualization The Windows 7 optimizations identified within this document are intended to provide a more responsive desktop for the users.

These configurations typically add value by enhancing the user experience and increasing system performance. Uncheck the "Automatically manage paging file" box at the top i. Select the C: drive j. Click "Set" l. Click OK m. Click OK n. Start closing Open Windows and it will ask to restart. Change Power Options a. Select the "High performance" power plan c. Click "change plan settings" d. Click "change advanced power settings" e.

Expand the Hard disk option and change setting to "never" f. Expand the Sleep option and change setting to "never" g. Click OK 8. Disable Windows Themes a.

Set Run for Best Performance a. Right click on Computer and select Properties b. Select Advanced system settings c. Under the Advanced Tab, click Settings next to Performance d.

Select "Adjust for best performance" Disable System Maintenance a. Disable Screensaver 1. Disable Windows Sounds 1. Speed up the Menu Show delay time a. Open Regedit b. Modify MenuShowDelay from to 1 Disable Un-needed Services a. Telephony b. Startup and Recovery a. Under Startup and Recovery click Settings f. Click OK i. Click OK Boot GUI a. Run msconfig b. Disable success logins a. Select the Failure checkbox. Set maximum Event Log size a. Empty IE temp files a.

Prevent performance of First Run Customize settings — Enabled Disable RSS Feeds a. Disable Windows Slideshow a. Turn off Build-to-Lossless feature a. Limit audio bandwidth a. Set PCoIP frame rate and image quality a.



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