Application Sharing Failures after Applying July, 10 2018 Windows Security Fixes

We are aware of an issue impacting Application Sharing on Lync Server 2013 and Skype for Business Server 2015 after applying the July 10, 2018 Security Patches for Windows operating systems.  The Windows team has removed all bad packages from Windows Update and systems should no longer attempt to download an update which exposes this…


Get-CsPoolUpgradeReadinessState shows as Ready, Active Front-Ends count doesn’t match

Recently, I come across a particular scenario where Get-csPoolUpgradeReadinessState was showing as READY and Front-End Services were started across all Front-Ends, but the TotalActiveFrontEnds showed a number that was different from the total active Front-Ends in the Pool. You will notice that UpgradeDomain3 has 1 Front-End Server associated, but then the Total Active Front-Ends is…


Disabling TLS 1.0/1.1 in Skype for Business Server 2015 On-Premises Part 3: Advanced Deployment Scenarios

  In Part 1 of our blog series we covered supportability scope, and prerequisites. In Part 2, we covered how to update existing Skype for Business 2015 deployments. Here in Part 3, we will discuss some advanced implementation scenarios. Because some dependency prerequisites are required to support TLS 1.2 in Skype for Business Server 2015,…


Disabling TLS 1.0/1.1 in Skype for Business Server 2015–Part 2

May 24, 2018 Update: Deployment steps have been updated based on additional validation testing.  The steps have changed and now include pre-requisite registry keys.  Please review the following document carefully! In Part 1 of our Disabling TLS 1.0 and 1.1 Support for On-Premises Skype for Business deployments blog we covered the pre-requisites and supportability scope….


Disabling TLS 1.0/1.1 in Skype for Business Server 2015–Part 1

May 16, 2019: Updates for SRSv2 Support for Skype for Business Server 2015, 2019 and CQD March 29, 2019: Updated information for Lync Room Systems (SRSv1) August 8, 2018: Important Update to Lync Server 2013 Edge Role Supportability for TLS Disable August 2, 2018: Clarified Support for SBA and SBS May 24, 2018: Added In-place…


Skype for Business Application Sharing Fails Intermittently

Author: Kenn Guilstorf, Senior Escalation Engineer, Skype for Business We’ve seen a large number of cases come through recently where application sharing with 32-bit Skype for Business 2015 and 32-bit Skype for Business 2016 clients (collectively, S4B) is failing intermittently. This usually happens when S4B has been running continuously for a long period of time…


Skype for Business Recording Manager Fails to Publish Video

Skype for Business Administrators can configure a client policy to allow recordings during meetings. When the policy is configured, users will have the ability to record a meeting, and then publish either some or all contents in the meetings. A common example would include content shared during trainings, so the material can be used again…