First Step is to integrate the latest patch in the msi
msiexec /a Lync.msi TARGETDIR=C:\temp\AIP
Second Step is to integrate the latest patch in the msi created by the administrative install
msiexec /p Lync.msp /a C:\temp\AIP\Lync.msi
Third and last Step is to create an MST with orca containing the custom secure property
USEMSIFORLYNCINSTALLATION = #1
Got ya's :
Step 1 : You need to extract the msi from the setup.exe
Step 2 : Get the latest patch from microsoft download site
Step 3 : Use the #1 value (the # is really necessary)
Msi-repair = change the value of OCSETUPDIR in the Directory table to Directory_Parent = ProgramFilesFolder and DefaultDir = orv4xmit|Microsoft Lync
"lyncsetup.exe" /Silent
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