Cumulative update version information for Lync client and Lync server

[Last updated on 27th February, 2014]   Hi there,   You can find a list of CU versions compiled from KB articles for cumulative update packages released for Lync client and Lync servers. Please note that the list only includes version information for Lync 2010 (desktop edition), Lync Server 2010, Lync 2013 (desktop edition) and Lync…

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Exchange integration error on HP4120 desktop phones - A CA trust issue

I would like to go through an integration problem between Lync phone edition devices and Exchange 2010 that I worked on a while ago. Since the integration wasn’t working properly, users couldn’t access call logs, recorded voice mails, calendar information etc from their desktop phones (HP4120).   To understand the problem in more details, we…

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Desktop sharing fails between federated contacts running Lync 2010 clients

I would like to talk about another Lync 2010 problem where desktop sharing was failing between two federated contacts. Network traces and Lync ETL traces were collected while reproducing the problem. Here’s the troubleshooting steps that I followed:   ANALYSIS: ======== Note: Please note that usernames, IP addresses, server names etc are all replaced for…

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External users cannot sign in to Lync 2010

Today I’ll be talking about a problem where the external Lync 2010 clients fail to sign in through Lync 2010 Edge server intermittently and rebooting the Edge server helps resolve the issue for sometime until the problem reappears. There could be multiple problems that might prevent an external user from signing in successfully like authentication…

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