Comprehensive analysis of the latest changes in Windows 7 SP1

Although Microsoft has repeatedly said that the first service pack for Windows 7/Server 2008 R2 is just a collection of past updates, it is undeniable that it does bring some functional changes, but not so Conspicuous. Last week, Windows 7 SP1 Build 7601.16556 v.172 leaked out. Users who like early adopters still can't feel any difference after installation, but the documentation attached to it has been updated, from which we can see some new things in the service pack.

However, it should be noted that: First, "Windows 7, Windows Server 2008 R2 SP1 changes significantly" This document was last updated in March, and the description described is limited to the current test version, possible It will be different from the final official version; second, like Windows Vista/Server 2008 SP2, Windows 7/Server 2008 R2 SP1 is also the same service package common to both client and server operating systems. This is Microsoft Simplified Service. A measure of the package release strategy.

Windows 7/Server 2008 R2 SP1 General Changes:

1. Improve Energy Efficiency:

Provide User-Based Timestamp Counter (TSC) for SQL Server Such programs can provide a high-resolution multimedia timer (a function that is essential for OLTP, data warehousing, etc.), which is much more energy efficient than previous solutions.

2. Change the behavior of the "Restore previous folder window when logging in" function:

is located in the folder and search options dialog box under the organization menu of Windows Explorer. Prior to SP1, the previous folder window was restored based on the location of the most recent active folder, and SP1 was changed to the original location of all the folders themselves.

3. Enhance support for more identity authentication in RRAS/IPsec:

Add more identity types in the identity area of ​​the IKEv2 authentication protocol, which can be used when performing IKEv2 protocol authentication. More types of identities, such as E-mail ID, Certificate Subject.

Windows 7 SP1 exclusive changes:

1, support for third-party joint services efficient communication:

that is, those that support WS-Federation passive configuration protocol, thereby enhancing platform collaboration Sex, improve the identity and authorization information authentication capabilities of different organizations.

2. Improve HDMI audio device performance:

Some users report that the connection between Windows 7 PC and HDMI audio device will disappear after the system is restarted. SP1 has made improvements to ensure that the connection between the two is no longer interrupted.

3. Correct the behavior when printing mixed-direction XPS documents:

Some users report that it is difficult to print horizontal and vertical XPS documents while using XPS Viewer, causing the entire page to become Either a single mode that is all horizontal or all vertical. SP1 has solved this problem.

Windows Server 2008 R2 SP1 exclusive changes:

1, Dynamic Memory:

Restricting physical memory location is the deployment of new virtualization technologies, consolidation The biggest challenge facing the infrastructure, dynamic memory is an enhancement of Hyper-V that allows enterprises to make the most efficient use of physical memory and virtualized resources. Dynamic memory allows the memory on the host to be dynamically allocated to the virtual machine on demand, dynamically increasing or decreasing based on the current workload, without human intervention.

Dynamic Memory Supported Client Systems include Windows Server 2003 SP2 Data Center Edition/Enterprise Edition, Windows Server 2008 SP1 Data Center Edition/Enterprise Edition, Windows Server 2008 R2 Data Center Edition/Enterprise Edition, Windows Vista SP2 Enterprise Edition /Ultimate, Windows 7 Enterprise /Ultimate.

2, RemoteFX:

Provides a rich media user experience for virtual desktops, session-based desktops, and remote applications, leveraging virtualized graphics resources for multiple types of fat/The thin client provides a localized experience for graphics-sensitive applications and multiple peripherals, improving the productivity of remote users.

RemoteFX runs independently of a specific graphics stack and supports any screen content, including Silverlight, Flash, and more.

RemoteFX also adds support for mainstream USB devices in virtual desktop computing, including USB flash drives, cameras, PDAs, etc., and provides a platform for hardware and software vendors to enhance various hosts and clients. , RemoteFX capability in network configuration.

3. Enhance the flexibility and usability of DirectAccess:

Supports 6to4 and ISATAP addresses when using DirectAccess with Network Load Balancing (NLB).

4. Support for Managed Service Accounts (MSA) in a secure office environment:

Can be used for domain member services in network borders (DMZ/Extension Network).

5, support for high-traffic authentication communication on domain controllers connected to high-latency networks:

With a large number of IT enterprises turning to cloud-based services, high-latency networks (such as the Internet) The authentication communication of domain controllers has gradually become a bottleneck. SP1 can control the maximum number of concurrent connections of domain controllers more precisely, enabling more detailed performance tuning for service providers.