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Update to increase availability address spaces to 200 in Exchange Server 2013

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Symptoms

Users in an Exchange Server 2013 environment cannot obtain free/busy information in a cross-forest setup when the number of AvailabilityAddressSpace objects exceeds 100. In this situation, the following error is returned:

Failed to get freebusy response for user:EmailAddress = <>SMTP:user@domain.com, Attendee Type = Required, Exclude Conflicts = False. Message: Unable to send cross-forest request for mailbox <UserName>SMTP:user@domain.com because of invalid configuration., inner exception: Microsoft.Exchange.InfoWorker.Common.Availability.AddressSpaceNotFoundException: Configuration information for forest/domain domain.com could not be found in Active Directory.
at Microsoft.Exchange.InfoWorker.Common.Availability.TargetForestConfigurationCache.FindByDomain(OrganizationId organizationId, String domainName)
at Microsoft.Exchange.InfoWorker.Common.Availability.QueryGenerator.GetTargetForestConfiguration(EmailAddress emailAddress)


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Cause

This problem occurs because 100 was hard-coded as the maximum number of AvailabilityAddressSpace objects that can be read from Active Directory Domain Services (AD DS) in Exchange Server 2013.

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Resolution

To resolve this issue, install Cumulative Update 8 for Exchange Server 2013.

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More Information

For more information about this issue, see Add-AvailabilityAddressSpace.

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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, kbfix, kb

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Article Info
Article ID : 3012266
Revision : 1
Created on : 1/7/2017
Published on : 3/17/2015
Exists online : False
Views : 358