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Exchange Calendar items are shifted incorrectly when some Windows DST updates are applied

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Symptoms

After the latest daylight saving time (DST) update (3039024) is installed in a Microsoft Exchange Server 2013 or Microsoft Exchange Server 2010 environment, the calendar items may be shifted by one hour in the Calendar view.

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Cause

This issue occurs because some time zone properties are truncated when they are passed from Windows to Exchange. However, Exchange cannot parse the truncated properties into a valid time zone. Therefore, Exchange uses the old time zone for the Calendar view.

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Resolution

To fix this issue, install one of the following updates on your corresponding server that is running Exchanger Server, as appropriate: 
Note For existing calendar appointments that are incorrect, the calendaring tool must be run to correct these appointments.

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Status

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

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Keywords: kbtshoot, kbprb, kbsurveynew, kbexpertiseadvanced, kb

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Article Info
Article ID : 3048372
Revision : 1
Created on : 1/7/2017
Published on : 12/15/2015
Exists online : False
Views : 310