![]() Important This section, method, or task contains steps that tell you how to modify the registry. To resolve the issue, install the following cumulative update.Ģ737155 Description of the cumulative update package for Lync 2010: October 2012 This change precents an issue that occurs when too many presence subscription requests are sent for federated contacts or for contacts that are located in another Front End pool.Īfter you install this update, subscription requests are added to a queue before they are sent. Update 2571543 changes the way subscription requests are sent. After you apply update 2571543 or a later cumulative update for Lync 2010 that fixes the issues that are documented in update 2571543, failed subscription requests are sent again within 30 minutes. This issue occurs because update 2571543 changes the way subscription requests are sent in Lync 2010. ![]() Note When the user sends an instant message to the affected contacts, the status information is updated immediately. ![]() However, the status of the contacts is updated after 30 minutes. In this scenario, the "Presence unknown" status is displayed for many of the contacts in Lync 2010. You deploy the federation feature or multiple Front End pools in the environment.Ī user who has more than 100 contacts in the federated environment or in a different Front End pool signs in to Lync 2010. You install update 2571543 or a later cumulative update for Lync 2010 on a Lync 2010 client in a Lync Server 2010 environment.
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