Lync 2013 Client Update – November 2013

The contents of Cumulative Updates are like a bag of mixed lollies – everyone seems to have a different favourite.

Mine just happens to be the first one listed in this sticky collection of kb’s – because (in this case) I’m aware of customers plagued by dodgy address book entries since their Lync 2013 was commissioned.

What’s your favourite?

  • 2907820 Inconsistent format and duplicate telephone numbers are displayed in a contact card in Lync 2013
  • 2898888 Lync 2013 crashes when an RCC-enabled user signs in
  • 2898886 “Presence unknown” status for a contact in a federated environment or a different front-end pool is displayed in Lync 2013
  • 2898887 User cannot call another user by clicking a telephone number hyperlink in a contact card in Lync 2013
  • 2883716 Presence status isn’t updated based on Exchange calendar in Lync 2013
  • 2880161 You can’t drag a contact from Lync 2013 to another application
  • 2880163 Proxy authentication dialog box appears when you sign in to Lync 2013
  • 2880164 Instant message sent from Lync Web App displays wrong symbols in Lync 2013
  • 2880167 Can’t sign in to Lync 2013 when a user logs on to a computer by using an account from a different AD forest
  • 2882812 A proxy authentication dialog box appears when you upload a PowerPoint presentation in Lync 2013
  • 2882813 Can’t sign in to Lync 2013 on a computer that is running Windows 7
  • 2882814 Extended character is displayed incorrectly in a disclaimer in Lync 2013
  • 2854650 You cannot start a collaboration application that is integrated with Lync 2013
  • Some components in the contextual Mini toolbar and ribbon appear blurry
  • When you use a UIA-based screen reader (such as Microsoft Narrator) to read a message, the shapes and images are not read by the UIA-based screen reader
  • The inline attachment is read as “image” instead of as “attachment” by UIA-based screen reader such as Narrator


This update (kb2825630) takes the Lync 2013 client to 15.0.4551.1005.

Here’s the whole kb article, and these take you direct to the downloadables:

I exited the client and Outlook before installing the update, and there was no requirement to reboot the PC.

Known issues

After you install this update, you may experience the issue that is described in the following Microsoft Knowledge Base (KB) article:

  • 2898357 Screen readers cannot read aloud keystrokes during a Lync 2013 application or desktop sharing session in Windows

Before & After


Before After
Lync 15.0.4535.1507 MSO 15.0.4535.1507 Lync 15.0.4551.1005 MSO 15.0.4535.1507
Capture-before Capture-after



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