Lync 2010 does not prompt you for credentials when the credentials are deleted in Windows Credential Manager

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Article ID: 2520139 - View products that this article applies to.
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Consider the following Scenario:
  • You log on to Microsoft Lync Online.
  • You save the logon password.
  • You log off Lync Online.
  • You delete the credentials that are used to connect to Lync Online in Windows Credential Manager.
  • You log on to Lync Online again.
In this scenario, Lync 2010 does not prompt you for credentials.

Note This issue specifically occurs when you have a Session Initiation Protocol (SIP) certificate that is saved locally.


To resolve this issue, install the following cumulative update:
2496325 Description of the cumulative update package for Lync 2010: April 2011


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


Article ID: 2520139 - Last Review: May 4, 2011 - Revision: 1.0
  • Microsoft Lync 2010
kbqfe kbsurveynew kbexpertiseinter KB2520139

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