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Daylight Savings Time of Year

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Clocks are changing again next month.  For me it's a confusing time of year as I always forget and arrive at work either really early or a tad late...  The potential problems are more widespread and can have a significant impact on business performance if not dealt with proactively. These effects can range from the incorrect time display on the clock, to calendaring problems, to financial and reputation loss if business critical services fail.

Daylight saving now commences on the first Sunday in October and ends on the first Sunday in April in Australia Eastern (New South Wales, Victoria, Australian Capital Territory and Tasmania) and Central (South Australia). 

What is affected?

  • All Microsoft Windows PC, server and mobile devices in the affected time zones must be updated to ensure accuracy of internal time zone tables and correct operation of the system clock.
  • Microsoft Office Outlook calendars may need to be adjusted. Client and Server-based tools are available to automate this service.
  • Microsoft, third party and custom applications which schedule events at future dates should be reviewed to ensure they will operate correctly during the extended daylight saving period. Previously scheduled events may also need to be adjusted.
  • Microsoft recommends that all PC and server systems are updated regardless of location to ensure consistency of operation.

What needs to be done?

Thorough planning and testing for these changes is critical to ensure the change results in minimal user impact, so to help customers prepare Microsoft has developed the Australia 2008 Daylight Saving Planningdocument which details the nature and impact of the DST changes, along with planning guidance to avoid user impact.

What if the systems have been previously patched?

Where servers, workstations and mobile devices have been added to the infrastructure, organisations will need to audit their environment to ensure all systems are patched according to the organisation’s Daylight Savings Plan.

Where the environment does not have a consistent Daylight Savings Time (DST) patch level, appointments may have been created with a mix of correct and incorrect DST transition dates.  Furthermore, Microsoft recommends customers update all systems to ensure consistency of operation, even if none of your systems are in the affected time zones.

Planning for Daylight Savings changes

Microsoft has revised the Australia 2008 Daylight Saving Planning Guide with learnings from the April transition and additional considerations for the October transition. Download the guide and update your daylight savings plan.

For more information:

  • 132058 is our Customer Service and Consumer Support line
  • 131630 is our Professional Support line for partners, IT-Pros and commercial customers seeking technical support
  • Microsoft Services and Support : https://support.microsoft.com/gp/services#tab1

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