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Problem You’ve recently failed over the CMS and pool from a primary Skype for Business Server 2015 to a backup server then failed the services back to the primary server but started noticing the following errors logged on the primary active server with the contents

Problem You’ve recently made a change to your Skype for Business topology and need to run the Setup or Remove Skype for Business Server Components again to apply the changes: … but notice that it fails with the error: HostLocalActivateTask execution failed on an unrecoverable

I’ve noticed that I’ve been asked quite a few times over the past year about how to upgrade the Lync 2013 client to Skype for Business 2015 and through speaking to colleagues and clients, I think the confusion is caused by the fact that the

Problem You’ve downloaded the Skype for Business Server 2015 KB3061064 installer from: https://support.microsoft.com/en-us/kb/3061064 … but noticed that when the update installer successfully installs all the updates aside from: 3097645 Update for Skype for Business Server 2015 6.0.9319.102 The error presented reads: Skype for Business Server

Problem You’ve noticed that sharing PowerPoint presentations in your Lync 2013 or Skype for Business 2015 business no longer works with the following error message being displayed: Some presenting features are unavailable due to server connectivity issues. Logging onto the WAC / Office Web Apps