The Exchange database online maintenance schedule, Information Store maintenance schedule, quota notification schedule, and OAB generation schedule are offset by one hour when DST changes occur

Article ID: 960975 – Last Review: December 17, 2008 – Revision: 1.0

The Exchange database online maintenance schedule, Information Store maintenance schedule, quota notification schedule, and OAB generation schedule are offset by one hour when DST changes occur

SYMPTOMS

On computers that are running Microsoft Exchange Server 2007, the following schedules are offset by one hour:

  • Exchange database online maintenance
  • Information Store (IS) maintenance
  • Quota notification
  • Offline Address Book (OAB) generation

This issue occurs if Exchange servers are configured for time zones that observe daylight saving time (DST).

MORE INFORMATION

This issue occurs because these schedules are stored as bit arrays that use Coordinated Universal Time (UTC). The schedules are not updated to accommodate for DST changes.

This behavior is by design.

Administrators must configure these schedules to accommodate for DST changes that occur in the time zones in which the Exchange servers are located.


APPLIES TO
  • Microsoft Exchange Server 2007 Enterprise Edition
  • Microsoft Exchange Server 2007 Standard Edition
Keywords: 
kbsurveynew kbprb kbexpertiseadvanced kbtshoot KB960975

 

Microsoft Knowledge Base Article

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