SfB 2015 Server Update CU4 – November 2016

It’s been a big year of content for Skype for Business Cumulative Updates, and CU4 doesn’t let us down.

This update takes the server from 6.0.9319.259 to 6.0.9319.272 & updates 8 components on my Front-End.

What’s Fixed?

  • Kb3203706 Long silence when you dial into a meeting in Skype for Business Server 2015 that has name recording disabled
  • Kb3203153 You experience intermittent message delivery delay or failure in Skype for Business Server 2015 Persistent Chat rooms
  • Kb3203152 Lync Phone Edition telephones cannot put a call on hold if “Music on Hold” feature is disabled
  • Kb3203148 Front End server of Skype for Business Server 2015 crashes upon restart
  • Kb3203707 Japanese characters in the subject of a missed call notification message are garbled
  • Kb3203150 Calls to mobile clients fail if Skype for Business Server 2015 has advanced privacy mode enabled
  • Kb3203147 LS Storage Service event 32054 after you upgrade to Skype for Business from Lync 2013
  • Kb3204849 You can’t join a meeting from outside Skype for Business or Lync on iOS 10.0 and later versions
  • Kb3203707 Japanese characters in the subject of a missed call notification message are garbled

What’s New?

“This update enables Location-Based Routing to support the Skype for Business mobile clients.”

“This cumulative update contains the following improvements:

  • Returns different exceptions back, depending on the cmdlet version that runs the Move-CsUser cmdlet.
  • The Move-CsUser cmdlet can automatically redirect a call to a correct forest without errors.”

A new Commandlet has also snuck in:

  • Get-CsPlatformServiceSettings
  • New-CsPlatformServiceSettings
  • Remove-CsPlatformServiceSettings
  • Set-CsPlatformServiceSettings

Here’s what that looks like:

PS C:\Users\Greig> Get-CsPlatformServiceSettings
Identity                   : Global
EnableDelegateManagement   : False
EnablePushNotifications    : True
UseLegacyPushNotifications : True
EnableE911                 : True
PS C:\Users\Greig>

(As at Nov 17th it doesn’t appear to have made it to TechNet yet).

Download

Installation

Here’s the “before” view of it going on to my customer’s Enterprise Edition Front-End:

SfB2015-CU4-Nov2016-Before

A Bug?

One of my Lab Standard Editions started logging a lot of event 32270’s from the time the update was installed. They were appearing between 5 & 30 minutes apart:

The delay between a publication and its notifications has reached the specified ERROR threshold.
Measured Publication/notifications delay is 41144496 milliseconds. The error threshold is set to 30000 milliseconds.
Cause: A burst of publications or an overloaded front-end is the likely cause of this alert.
Resolution:
Consider using manual override in order to change settings of the notification Queue worker.

Event32270

A Microsoft contact suggested this was probably caused by my admittedly under-resourced FE, and it went away after a reboot.

Another bug?

A recent customer deployment started logging PDP (Call Admission Control) errors every 5 minutes from the moment CU4 went on. Read about it here.
 

Revision History

17th November : This is the initial release.
14th December: Added “Another Bug?”.

 

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