Lync 2010 prompts you for credentials when it is retrieving availability data through Exchange Web Services

Article ID: 2503538 - View products that this article applies to.
Expand all | Collapse all

SYMPTOMS

Consider the following scenario. You use Microsoft Lync Online through the Business Online Productivity Suite (BPOS) together with an on-premise Exchange server. In this situation, Lync 2010 prompts you for credentials when it is retrieving availability data through Exchange Web Services.
Back to the top | Give Feedback

CAUSE

This issue occurs because Lync 2010 does not always try to use the default Windows NT LAN Manager (NTLM) credentials when it is retrieving availability data from the Exchange Web Services.
Back to the top | Give Feedback

RESOLUTION

To resolve this issue, install the following cumulative update:
2496325
(http://support.microsoft.com/kb/2496325/ )
Description of the cumulative update package for Lync 2010: April 2011
Back to the top | Give Feedback

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 | Give Feedback

Properties

Article ID: 2503538 - Last Review: April 4, 2011 - Revision: 1.0
APPLIES TO
  • Microsoft Lync 2010
Keywords: 
kbqfe kbfix kbhotfixrollup kbexpertiseinter kbsurveynew KB2503538
Back to the top | Give Feedback

Give Feedback

 
Back to the topBack to the top