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Consider the following scenario:

  • You have Microsoft Exchange Server integrated in a Microsoft Lync Server 2010 environment.

  • You do not have a Service Location (SRV) record for the Exchange Autodiscover service in the Domain Name System (DNS).

  • You configure the HTTP redirection URL for the Exchange Autodiscover service.

  • A user tries to use Lync for Mac 2011 to retrieve calendar information.

In this scenario, the user cannot retrieve the information. Additionally, the user receives the following error code:



This issue occurs because the Lync for Mac 2011 client redirects the user to an incorrect URL for the Exchange Autodiscover service. Therefore, when the user tries to retrieve calendar information from the client, the process is unsuccessful.


To resolve the issue, install the following cumulative update:

2844274 Description of the Microsoft Lync for Mac 2011 14.0.5 update

More Information

For more information about how Lync 2010 integrates with Exchange Server, go to the following Microsoft website:

How Lync 2010 integrates with Exchange ServerFor more information about Exchange Autodiscover service, go to the following Microsoft website:

General information about Exchange Autodiscover service

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