A cumulative update for daylight saving time (DST) changes in several countries is now available for computers that are running Microsoft Exchange Server 2003 Service Pack 2 (SP2).

Update information

The update that is described in this article changes the time zone data to account for a time zone change in Argentina, Pacific SA, Morocco, and Pakistan. The update also addresses daylight saving time (DST) changes in several other countries. We recommend that you install the latest DST updates for your operating system.

Time zones that are updated

Argentina Standard Time
Adds a new time zone for the Argentina time zone that introduces DST start dates and end dates for changes after the prior cumulative time zone update was created in December 2007.

Pacific SA Standard Time
Adjusts DST end dates for the Santiago time zone for changes after the prior cumulative time zone update was created in December 2007.

Morocco Standard Time
Adds a new time zone for the Morocco time zone that introduces DST start dates and end dates for changes after the prior cumulative time zone update was created in December 2007.

Pakistan Standard Time
Adds a new time zone for the Islamabad and Karachi time zone that introduces DST start dates and end dates for changes after the prior cumulative time zone update was created in December 2007.

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Exchange Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

Before you install this update for Exchange Server 2003, you must install Exchange Server 2003 Service Pack 2 (SP2). 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 hotfix. However, the Microsoft Exchange Information Store service and all dependent services are restarted.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix 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.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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