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IOPS Write increase causes email delivery delays in an Exchange Server 2013 environment

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Symptoms

After you apply the cumulative update 8 in a Microsoft Exchange Server 2013 environment, you experience a large Input/Output Operations Per Second (IOPS) Write increase for FolderUpdateGroup on storage. This may cause delays in email delivery to the mailbox database. 

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Cause

This is a known issue for FolderUpdateGroup.

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Workaround

To work around this issue, disable indexing for the mailbox database by running the Set-MailboxDatabase "Mailbox Database" -IndexEnabled $false cmdlet.

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Resolution

To fix this issue, install Cumulative Update 11 or a later cumulative update for Exchange Server 2013.

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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: kbqfe, kbsurveynew, kbfix, kbexpertiseinter, kb

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Article Info
Article ID : 3088487
Revision : 1
Created on : 1/7/2017
Published on : 12/15/2015
Exists online : False
Views : 275