Skype for Business Server 2015 in-place Upgrade – Gotchas so far

I am currently in the process of performing an in-place upgrade from Lync 2013 Standard Edition to Skype for Business Standard Edition in my lab. Here is what I have come across so far.

Gotcha #1: If your Lync 2013 SE Front-end is running on SQL Server 2012 RTM (default) then you need to patch this to at least SP1. I recommend SP2

http://www.microsoft.com/en-gb/download/details.aspx?id=43351

You must first stop all Lync 2013 services (Stop-CsWindowsService)

You can then upgrade all instances of SQL in one go by using this command line

SQLEXPR_X64.exe /Action=Patch /AllInstances /IAcceptSQLServerLicenseTerms

Once SQL has been patched you can then begin your in-place upgrade

Gotcha #2: You must ensure that your Lync 2013 services are stopped on the Lync 2013 SE Front-end before running the in-place upgrade or it will fail

Gotcha #3: You must ensure that your Lync 2013 FE server has at least 32GB free storage on the installation volume or it will fail

Gotcha #4: You must install Skype for Business Management Tools to a server that has no Lync 2013 management tools on to upgrade the topology

Gotcha #5: Upgrading Edge Servers in-place require .Net Framework 3.5 Feature to be installed

Gotcha #6: Upgrading Edge Servers in-place require SQL 2012 SP1 or above patched to RTCLOCAL

Gotcha #7: Upgrading Director Servers in-place require SQL 2012 SP1 or above patched to RTCLOCAL

Gotcha #8: There is no in place upgrade path for Survivable Branch Servers. These must be re-deployed side by side

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