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Thursday, December 13, 2007

Inside Windows Vista SP1

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Inside Windows Vista SP1

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Vista Service Pack 1 RTM (Final) Released on 18th March 2008
In the earlier post some of the features of the 1st service pack for Windows Vista if mentioned. Here you will find more detailed review of this SP.

Windows Vista Service Pack 1 RC includes all previously released updates for the operating system. This update also includes a small number of new functionalities, and many updates, which change significantly change customers’ experience with the operating system. This service pack includes many performance fixes; those are complained by Vista users.

Changes on Vista SP1

>>Service Pack build number is 17051
>>Includes more than 479 updates/fixes
>>General availability 1st Quarter of 2008.

Hardware Ecosystem Support and Enhancements
· Adds support for new UEFI (Unified Extensible Firmware Interface) industry standard PC firmware for 64-bit systems with functional parity with legacy BIOS firmware, which allows Windows Vista SP1 to install to GPT format disks, boot and resume from hibernate using UEFI firmware.
· Adds support for x64 EFI network boot.
· Adds support for the 64-bit version of MSDASQL, which acts as a “bridge” from OLEDB to a variety of ODBC drivers thus simplifying application migration from 32-bit platforms to 64-bit Windows Vista.
· Adds support for Direct3D® 10.1, an update to Direct3D 10 that extends the API to support new hardware features, enabling 3D application and game developers to make more complete and efficient use of the upcoming generations of graphics hardware.
· Adds support for exFAT, a new file system supporting larger overall capacity and larger files, which will be used in Flash memory storage and consumer devices.
· Adds support for SD Advanced DMA (ADMA) on compliant SD standard host controllers. This new transfer mechanism, which is expected to be supported in SD controllers soon, will improve transfer performance and decrease CPU utilization.
· Adds support for creating a single DVD media that boots on PCs with either BIOS or EFI.
· Enhances support for high density drives by adding new icons and labels that will identify HD-DVD and Blu-ray Drives as high density drives.
· Adds support to enable new types of Windows Media Center Extenders, such as digital televisions and networked DVD players, to connect to Windows Media Center PCs.
· Enhances the MPEG-2 decoder to support content protection across a user accessible bus on Media Center systems configured with Digital Cable Tuner hardware. This also effectively enables higher levels of hardware decoder acceleration for commercial DVD playback on some hardware.
· Enhances Netproj.exe to temporarily resize the desktop to accommodate custom projector resolutions when connecting to Windows Network Projectors.

Reliability Improvements
Reliability improvements vary from PC to PC based on hardware, environment, and usage. Customers will experience varying levels of benefit.
· SP1 addresses issues many of the most common causes of crashes and hangs in Windows Vista, as reported by Windows Error Reporting. These include issues relating to Windows Calendar, Windows Media Player, and a number of drivers included with Windows Vista.
· Improves reliability by preventing data-loss while ejecting NTFS-formatted removable-media.
· Improves reliability of IPSec connections over IPv6 by ensuring by ensuring that all Neighbor Discovery RFC traffic is IPsec exempted.
· Improves certain problem scenarios where a driver goes to sleep with incomplete packet transmissions by ensuring the driver is given enough time to transmit or discard any outstanding packets before going to sleep.
· Improves wireless ad-hoc connection (computer-to-computer wireless connections) success rate
· Improves the success of peer-to-peer connections, such as Windows Meeting Space or Remote Assistance applications, when both PCs are behind symmetric firewalls.
· Improves Windows Vista’s built-in file backup solution to include EFS encrypted files in the backup.
· An improved SRT (Startup Repair Tool), which is part of the Windows Recovery environment (WinRE), can now fix PCs unbootable due to certain missing OS files.
· Users who did not opt-in to the Customer Experience Improvement Program (CEIP) will be prompted again to join after installing SP1. The experience will remain the same and the default will continue to be opt-out.

Performance and Power Consumption Improvements
Performance improvements vary from PC to PC based on hardware, environment, scenarios, and usage, so different customers will experience varying levels of benefits. About 20-25% of these improvements will be released separately via Windows update, prior to Windows Vista SP1.
· Improves the performance of browsing network file shares by consuming less bandwidth.
· Improves power consumption when the display is not changing by allowing the processor to remain in its sleep state which consumes less energy.
· Addresses the problem of the Video chipset (VSync interrupt) not allowing the system to stay asleep.
· Improves power consumption and battery life by addressing an issue that causes a hard disk to continue spinning when it should spin down, in certain circumstances.
· Improves the speed of adding and extracting files to and from a compressed (zipped) folder.
· Significantly improves the speed of moving a directory with many files underneath.
· Improves performance while copying files using BITS (Background Intelligent Transfer Service).
· Improves performance over Windows Vista’s current performance across the following scenarios1:
· 25% faster when copying files locally on the same disk on the same machine
· 45% faster when copying files from a remote non-Windows Vista system to a SP1 system
· 50% faster when copying files from a remote SP1 system to a local SP1 system
· Improves responsiveness when doing many kinds of file or media manipulations. For example, with Windows Vista today, copying files after deleting a different set of files can make the copy operation take longer than needed. In SP1, the file copy time is the same as if no files were initially deleted.
· Improves the copy progress estimation when copying files within Windows Explorer to about two seconds.
· Improves the time to read large images by approximately 50%.
· Improves IE performance on certain Jscript intensive websites, bringing performance in line with previous IE releases.
· Addresses a problem that caused a delay of up to 5 minutes after boot with specific ReadyDrive capable hard drives.
· Improves the effectiveness of a Windows ReadyBoost™ device in reducing the time to resume from standby and hibernate by increasing the amount of data stored in the ReadyBoost device that can be used during a resume cycle.
· Includes improvements to Windows Superfetch™ that help to further improve resume times, in many environments.
· In specific scenarios, SP1 reduces the shutdown time by a few seconds by improving the Windows Vista utility designed to sync a mobile device.
· Improves the time to resume from standby for a certain class of USB Hubs by approximately 18%.
· Improves network connection scenarios by updating the logic that auto selects which network interface to use (e.g., should a laptop use wireless or wired networking when both are available).
· Improves the performance of the user login experience on corporate PCs outside of corporate environments (e.g., a corporate laptop taken home for the evening), making it comparable with PCs within the corporate environment.
· Reduces the time it takes to return to the user’s session when using the Photo screensaver, making it comparable to other screensavers.
· Removes the delay that sometimes occurs when a user unlocks their PC.
· Improves overall media performance by reducing many glitches.
· In SP1, PC administrators are able to modify the network throttling index value for the MMCSS (Multimedia Class Scheduling Service), allowing them to determine the appropriate balance between network performance and audio/video playback quality.
· Windows Vista SP1 includes a new compression algorithm for the RDP (Remote Desktop Protocol) that helps reduce network bandwidth required to send bitmaps or images via RDP. The compression, which can be selected by administrators via Group Policy settings, is transparent to all RDP traffic, and typically reduces the size of the RDP stream by as much as 25-60%, based on preliminary test results.
· The Windows Vista SP1 install process clears the user-specific data that is used by Windows to optimize performance, which may make the system feel less responsive immediately after install. As the customer uses their SP1 PC, the system will be retrained over the course of a few hours or days and will return to the previous level of responsiveness.
· SP1 addresses a number of customer performance concerns with new print driver technologies, including XPS-based printing.

Security Improvements
· Windows Vista SP1 includes all previously released Security Bulletin fixes which affect Windows Vista.
· SP1 includes Secure Development Lifecycle process updates, where Microsoft identifies the root cause of each security bulletin and improves our internal tools to eliminate code patterns that could lead to future vulnerabilities.
· Service Pack 1 includes supported APIs by which third-party security and malicious software detection applications can work alongside Kernel Patch Protection on 64-bit versions of Windows Vista. These APIs have been designed to help security and non-security ISVs develop software that extends the functionality of the Windows kernel on 64-bit systems, in a documented and supported manner, and without disabling or weakening the protection offered by Kernel Patch Protection.
· Improves the security of running RemoteApp™ programs and desktops by allowing RDP files to be signed. Administrators now have the control to differentiate the user experience based on the publisher's identity.
· Data Execution Protection (DEP) is a memory-protection feature available beginning with Windows XP and Server 2003. SP1 improves security with a new set of Win32 APIs to allow programmatic control over a process’s DEP policy. This will provide application developers with finer control on a process’s DEP settings for security, testability, compatibility, and reliability.
· Improves the trustworthiness of data presented in Windows Security Center (WSC) by ensuring that only authenticated security applications can communicate with WSC.
· Improves security on wired networks by enabling single sign on (SSO) for authenticated wired networks. The single sign on experience presents the user with a single point of credential entry rather than being double prompted for local and network logon.
· For customers upgrading from Windows XP to Windows Vista SP1, the MSRT (Malicious Software Removal Tool) will not run as part of the upgrade. Rather the up-to-date MSRT offered monthly by Windows Update will help protect PCs. · The cryptographic random number generation is improved to gather seed entropy from more sources, including a Trusted Platform Module (TPM) when available, and replaces the general purpose pseudo-random number generator (PRNG) with an AES-256 counter mode PRNG for both user and kernel mode.
· Improves security in smart card scenarios: o Introduction of a new PIN channel to securely collect smart card PINs via a PC. This new capability mitigates a number of attacks that today would require using an external PIN reader to prevent. o Enables smart cards that use biometric authentication instead of a PIN.
· Improves security over Teredo interface by blocking unsolicited traffic by default. This has already been addressed in a Security Update for Windows Vista (KB935807).
· Improves BitLocker Drive Encryption by offering an additional multi-factor authentication method that combines a key protected by the TPM (Trusted Platform Module) with a Startup Key stored on a USB storage device and a user-generated Personal Identification Number (PIN).
· Enhanced the BitLocker encryption support to volumes other than bootable volumes in Windows Vista (for Enterprise and Ultimate SKUs).
· Improves the OCSP (Online Certificate Status Protocol) implementation such that it can be configured to work with OCSP responses that are signed by trusted OCSP signers, separate from the issuer of the certificate being validated.
· Enables a standard user to invoke the CompletePC Backup application, provided that user can supply administrator credentials. Previously, only administrators could launch the application.
· The Remote Desktop client in Windows Vista SP1 provides user interface improvements for user and server authentication. The RDP client streamlines the multiple steps end users must follow to providing their credentials to Windows Server 2003 (or earlier) Terminal Servers, and simplifies the management of previously saved credentials.

Support for New Technologies and Standards
· Adds support for new strong cryptographic algorithms used in IPsec. SHA-256, AES-GCM, and AES-GMAC for ESP and AH, ECDSA, SHA-256, and SHA-384 for IKE and AuthIP.
· Adds the NIST SP 800-90 Elliptical Curve Cryptography (ECC) pseudo-random number generator (PRNG) to the list of available PRNG in Windows Vista.
· Adds support for SSTP (Secure Sockets Tunnel Protocol), a remote access VPN tunneling protocol that will be part of Microsoft’s RRAS (Routing and Remote Access Service) platform. SSTP helps provide full-network VPN remote access connections over SSL, removing some of the VPN connectivity challenges that other VPN tunnels face traversing NAT, web proxies, and firewalls.
· Adds full support for the latest IEEE draft of 802.11n wireless networking.
· Adds support for obtaining identity and invoke identity UI from an inner method via a new EAPHost runtime API as well as a configuration UI for tunnel methods. These APIs are useful for developers working on tunneling/multi-phased EAP authentication methods as well as those who implement networking supplicants which consume EAP authentications.
· Adds support for Windows Smartcard Framework to enable compliance with the EU
· Digital Signature Directive and National ID / eID.
· Adds support for the Parental Controls Games Restrictions for ratings from the Korean Game Rating Board (GRB).
· Enhances TCP Chimney network card support so that a TCP Chimney network card can also support Compound TCP.
· Adds support in the Wireless Client for a new FIPS (Federal Information Processing) compliant mode. This mode is FIPS 140-2 compliant because it moves the cryptographic processing from the wireless network card to an existing FIPS-approved cryptographic library.
· Enhances Windows Firewall and IPsec to use the new cryptographic algorithms that are Suite B compliant.
· Updated drivers are delivered primarily via Windows Update and directly from hardware vendors, not as part of a service pack. However, a small number of critical drivers are included as part of Windows Vista (e.g., display drivers, audio drivers) and some of these have been updated.

Download Windows Vista Service Pack 1 RTM below:

Windows Vista SP1 RTM x86: [Click "Download Now" button to download]

Download Windows Vista SP1 RC (x86)

Or
Direct Link

Windows Vista SP1 RTM x64: [Click "Download Now" button to download]

Download Windows Vista SP1 RC (x64)

Or
Direct Link

Note:
Download Page x86

Download Page x64

Review by: bcdalai
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1 comment:

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