Applies ToWindows 8 Windows 8 Pro Windows 8 Enterprise Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2012 Standard Windows Server 2012 Standard

Introduction

A compatibility update for the legacy upgrade experience is available. This update improves the legacy upgrade experience when you upgrade to the latest version of Windows 8. This compatibility update is dated January 2013.For more information about the improvements, refer to the "Changes in upgrade behavior when you install the update" section.

More Information

Update information

How to obtain this update

By default, this compatibility update is offered when you have the release version of Windows 8 or Windows Server 2012. No interaction is required to apply this update.

Upgrade actions

This compatibility update may trigger several actions when you upgrade to the latest version of Windows 8. The following are the most common actions that may occur:

  • Upgrade blockPuts an upgrade block on an application that may cause the upgrade to Windows 8 to fail. Windows 8 may put an upgrade block on a third-party application only if the manufacturer is notified. User has to uninstall to continue with the upgrade.

  • Reinstall after upgradeThe user can continue to upgrade. However, the application or driver works if a user reinstalls after the upgrade.

Changes in upgrade behavior when you install the update

Applications or devices may experience a change in behavior after this compatibility update is installed.The following table lists the applications and devices that may be dynamically migrated when you update. This table also describes the behavior of these applications and devices after this compatibility update is installed.

Application Name

Version

Behavior after you install the update

Norton Internet Security 2010

17.x

Improves user experience by warning the end-user and provides more information URL about the product.

Norton 360

17.x

Improves user experience by warning the end-user and provides more information URL about the product.

F-Secure Anti-Virus

2011

Improves user experience by warning the end-user and provides more information URL about the product.

F-Secure Internet Security

2011

Improves user experience by warning the end-user and provides more information URL about the product.

Panda Antivirus Pro 2013

2013

Improves user experience.

Panda Internet Security 2013

2013

Improves user experience.

Panda Global Protection 2013

2013

Improves user experience.

Update replacement information

This update replaces the following update:

2774225 Compatibility update for the legacy upgrade experience is available for Windows 8 and Windows Server 2012

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8 and Windows Server 2012 file information notes

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.2.920 0.16 xxx

    Windows 8 or Windows Server 2012

    RTM

    GDR

    6.2.920 0.20 xxx

    Windows 8 or Windows Server 2012

    RTM

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

For all supported x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Drvmain.sdb

Not applicable

218,882

19-Dec-2012

07:11

Not applicable

Sysmain.sdb

Not applicable

4,619,662

19-Dec-2012

07:11

Not applicable

Sysmain32.sdb

Not applicable

1,427,932

19-Dec-2012

07:11

Not applicable

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Drvmain.sdb

Not applicable

218,886

19-Dec-2012

07:10

Not applicable

Sysmain.sdb

Not applicable

386,586

19-Dec-2012

07:10

Not applicable

Sysmain32.sdb

Not applicable

1,427,932

19-Dec-2012

07:10

Not applicable

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.