Consider the following scenario:
You use Microsoft Office Outlook 2007 and Lync 2010 in a Lync Server 2010 environment.
An administrator installs update 2514980 in a Lync Server 2010 environment.
You install update 2514982 on the Lync 2010 client.
You start Outlook 2007 and then click the Lync New Online Meeting button in Calendar View.
In this scenario, the Lync Online Meeting invitation does not open. Additionally, Outlook 2007 stops responding and then restarts.
This issue occurs because the API of the button does not work with Outlook 2007, and then <something> crashes after the API is updated by update 2514982.
To resolve this issue, install eithr of the following cumulative updates:
2669896 Description of the update for Lync 2010: February 2012
2670326 Description of the cumulative update for Lync 2010: February 2012
For more information about the KB artilces 2514980 and 2514982, click the following article number to view the article in the Microsoft Knowledge Base:
2514980 Description of the cumulative update for Lync Server 2010: November 2011
2514982 Description of the cumulative update for Lync 2010: November 2011