December 2009 cumulative time zone update for Microsoft Windows operating systems

Windows XP

 

Prerequisites

You must have one of the following operating systems installed to apply this update.

• Windows XP Service Pack 2 (SP2)
• Windows XP Service Pack 3 (SP3)

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

Restart requirement

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows XP, x86-based versions  

Windows Server 2003

 

Prerequisites

You must have Windows Server 2003 SP2 installed to apply this update.For more information, click the following article number to view the article in the Microsoft Knowledge Base:
 

Restart requirement

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Server 2003, x86-based versions
Windows Server 2003, x64-based versions
Windows Server 2003, Itanium-based versions  

Windows Vista

 

Prerequisites

You must have Windows Vista Service Pack 1 (SP1) installed on the computer to apply this update.For more information, click the following article number to view the article in the Microsoft Knowledge Base:
 

Restart requirement

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Vista and Windows Server 2008 file information notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

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

  Version	Product	SR_Level	Service branch
  6.0.600 0. 16xxx	Windows Vista	RTM	GDR
  6.0.600 0. 20xxx	Windows Vista	RTM	LDR
  6.0.600 1. 18xxx	Windows Vista and Windows Server 2008	SP1	GDR
  6.0.600 1. 22xxx	Windows Vista and Windows Server 2008	SP1	LDR
  6.0.600 2. 18xxx	Windows Vista and Windows Server 2008	SP2	GDR
  6.0.600 2. 22xxx	Windows Vista and Windows Server 2008	SP2	LDR

• GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
• Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxx version number.

For all supported x86-based versions of Windows Server 2008 and of Windows Vista

For all supported x64-based versions of Windows Server 2008 and of Windows Vista

For all supported IA-64-based versions of Windows Server 2008

 

Windows 7

 

Prerequisites

No prerequisites are required to apply this update.

Restart requirement

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows 7 and Windows Server 2008 R2 file information notes

Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

• 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
  6.1.760 0.16xxx	Windows 7 and Windows Server 2008 R2	RTM	GDR
  6.1.760 0.20xxx	Windows 7 and Windows Server 2008 R2	RTM	LDR

• GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
• The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

For all supported IA-64-based versions of Windows Server 2008 R2

Additional file information for Windows Server 2008, Windows Vista, Windows Server 2008 R2 and Windows 7

For a list of additional files provided within these packages, click on the link below: