Ensure all in-scope clients are updated (covered in Part I).Install all pre-requisites to all servers.Upgrade all Skype for Business 2015 Servers to CU6 HF2 or higher.You cannot share registries between Servers, they contain unique machine based keys. Backup and preserve a copy of exported registry on each and every individual server to be updated.Test all steps in your lab prior to configuring production servers.Order and methods for upgrade are covered here and here. Treat Director pools, Pchat and Paired Pools in the same manner you normally would. We want to follow the usual order of operations of 'inside out' for upgrading Skype for Business servers. Don’t forget to update management workstations as well. Also ensure that all supported (in-scope) clients have been updated to the required minimum versions. Every Skype for Business Server, including Edge role and SQL Backends, require the updates.

It is critically important that you complete installation of all prerequisites, including Skype for Business Server 2015 CU6 HF2, prior to disabling TLS 1.0 and 1.1 on any server in your environment. disabling TLS 1.0 and 1.1 via registry file import. Net and SQL, deploying pre-requisite registry keys and finally a separate round of OS configuration updates, i.e. Once you are satisfied you meet all requirements and have a plan to address gaps, proceed.Īt a high level, this requires installing Skype for Business Server 2015 CU6 HF2, applying pre-requisite updates to. This may mean you need to pause and wait for updated guidance from Microsoft. Except where noted in Part 1, once TLS 1.0 and 1.1 are disabled out-of-scope servers, clients and devices will longer function properly, or at all. Please review Part 1 to ensure all your servers, clients and devices are in scope, and that you have a plan to address any gaps. In this blog we will go over how to disable TLS 1.0 and 1.1 in your environments. 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. Please review the following document carefully! First published on TECHNET on Apr 18, 2018ĭecemUpdate: Validate workloads section has been updated with addition of On-Premises Diagnostics for Skype for Business Server 'Check to see if TLS 1.0/1.1 deprecation is properly configured' diagnostic reference.

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