In-Place upgrade from Lync 2013 to Skype for business step by step guide

Prerequisites References: https://technet.microsoft.com/en-us/library/dn951371.aspx?f=255&MSPPError=-2147217396 https://technet.microsoft.com/en-us/library/dn933900.aspx Lync CU 5 https://www.microsoft.com/en-us/download/details.aspx?id=36820 Kb2533623 Windows Server 2008 R2 http://support.microsoft.com/kb/2533623 Kb2858668 Windows Server 2012 http://support.microsoft.com/kb/2858668 KB2982006 Windows Server 2012 R2 https://onedrive.live.com/redir?resid=82488EABA4ACDB15!38654&authkey=!AE9IJKbMPtkge8U&ithint=file%2cexe SQL 2012 SP2 for Express […]