Microsoft releases August 2014 update for Lync 2013 Client (KB2881070)

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Just a Lync Guy

Source:

http://support.microsoft.com/kb/2881070

Download:

This update resolves the following issues:

  • 2985514 Lync 2013 signs out and then signs in every 30 minutes
  • 2985513 Lync 2013 crashes when you manipulate a pivot table field during an Excel worksheet presentation
  • 2985512 Error “Event ID from source Lync cannot be found” instead of event logs from Lync 2013 appears in Event Viewer
  • 2981755 Cannot join a meeting by using Lync 2013 when the ACP MCU services are running on multiple front-end servers
  • 2981754 Cannot send CER data when a user cannot join meetings in Lync 2013
  • 2981753 Lync 2013 meeting issues after you install Lync Meeting Add-in for Office 2013
  • 2981752 Cannot select audio device during a VoIP call in Lync 2013 when a user is enabled for RCC
  • 2981751 Lync 2013 does not display telephone…

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Lync Server 2013 2FE + 2BE High Availablity Issue

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new uc - niu's uc

Background

  • Why 2 FEs?

Microsoft has clearly said that 2 FE topology is supported, but not recommended. Then why I still chose to deploy such a topology? In a word, the decision-maker made this choice. More considerations, a 3rd FE costs another Lync Server license and more resource, yet Microsoft hasn’t clearly mentioned that it could cause the following unexpected issue.

  • System Topology

2FE-2BE-HA

Details:
Lync Server 2013
Enterprise Edition Pool, FE * 2
BE mirroring, BE01 as Principal, BE02 as Mirroring
Virtual machines on 2 physical hosts

  • HA considerations

Service can continue if any single server downs (FE or BE)
Service can continue if any single physical host downs (#1 or #2)

Issue

When testing HA, the following issue occurs:
(Single-server-failure test passed in any case, and physical-host #2-failure test passed as well)
If one FE and the Principal BE fail, even if you fail over BE to Mirroring BE…

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