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Upgrade from SolidWorks 2010 SP04 to 2011 SP05 failing via MSI

Question asked by Tony Ayre on Oct 12, 2011

We're trying to upgrade our education install of SolidWorks 2010 to the latest version we have. I have upgraded the license server already, and have created the new administrative image per the instructions, and transferred the share to it.


None of the clients 'auto update' as I was told they would, so I have now tried doing a manual upgrade using the msi


msiexec /i "\\server\solidworks\Solidworks 2011 SP05\32bit\SolidWorks\SolidWorks.msi" SWMIGRATE="SolidWorks 2010 SP04" UPGRADEWINSTALL=1


It churns away for a while, a SolidWorks 2011 icon appears on the desktop it says its removing the old version and then after a while it decides to roll back, and warns me that a file couldn't be found to fully restore.


Can anyone give me some clues as to why this is failing and how to fix it? I really don't want to have to go around 60 computers and manually do an install!