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  1. 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...
  2. 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...
  3. 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,...
  4. 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....
  5. Disabling TLS 1.0/1.1 in Skype for Business Server 2015–Part 1
    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 Upgrade scenarios to Supported; made changes to Pre-requisites and TLS Disable reg files based on additional validation testing; please review Parts 1 & 2 carefully as...