Microsoft KB Archive Search

Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

  1. Home
  2. EWS integration for Lync works incorrectly in an Exchange Server 2013 and 2007 coexistence environment

EWS integration for Lync works incorrectly in an Exchange Server 2013 and 2007 coexistence environment

View products that this article applies to.

Symptoms

When your mailbox is located on a Microsoft Exchange Server 2007 server in a Microsoft Exchange Server 2013 and Exchange Server 2007 coexistence environment, you encounter the following issues on the Microsoft Lync client:
  • You cannot access the conversation history.
  • You cannot search the address book.
  • An Exchange Server connection error notification appears the lower-right corner of the Lync client. Specifically, you see the "EWS not deployed" status for EWS Information in Lync Configuration Information.
  • If Microsoft Outlook is not started, you may receive the following error message from Lync client:
    Lync cannot connect to the Exchange server. Please try signing out and signing back in. Outlook contact and calendar information will be unavailable until the connection is restored.

↑ Back to the top

Cause

These issues occur because Exchange Server 2007 cannot handle proxy connections that are forwarded to later versions of Exchange Server.

↑ Back to the top

Resolution

To resolve this issue, install the following update:
2936880 Cumulative Update 5 for Exchange Server 2013

↑ Back to the top

Workaround

To work around this issue, migrate user mailboxes from Exchange Server 2007 to Exchange Server 2013.

↑ Back to the top

Status

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

↑ Back to the top

More Information

When this issue occurs, the following AutoDiscover log is generated on the Exchange 2013 server:
ErrorMessage=The SOAP-based AutoDiscover service is not available for mailboxes on Exchange 2007.

For more information about how to upgrade Exchange Server 2007 to Exchange Server 2013, go to the following Microsoft website:
Upgrade from Exchange 2007 to Exchange 2013

↑ Back to the top

Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseadvanced, kb

↑ Back to the top

Article Info
Article ID : 2941221
Revision : 1
Created on : 1/7/2017
Published on : 5/27/2014
Exists online : False
Views : 304