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CAD tip CAD tip # 6686:

Question CAD 
 %  platform  category 
Q - question

MSI Error 1325. [username] is not a valid short file name

A - answer AutoCAD or other Autodesk product fails on installation or on the first run with the Error 1325.

This is a MSI installer error appearing on user accounts with names containing a dot (".") or with names longer than 11 characters. Users' login names probably have a period in their usernames - i.e.: "first.last".

What to do:

Install your CAD product in the Administrator account and then copy the Registry entries (HKEY_CURRENT_USER\Software\Autodesk) and the folders c:\Users\[username]\AppData\Local\Autodesk and c:\Users\[username]\AppData\Roaming\Autodesk.

ACADInventorRevitmax
100% *  CAD 
20.5.2009    35308×  
applies to: AutoCAD · Inventor · Revit · 3ds Max ·

See also:
Tip 12605:Script error (utag) when trying to log-in with your Autodesk ID.
Tip 11863:You cannot install this product on the current operating system.
Tip 11854:iLogic error in Inventor 2019: invocation of constructor threw an exception
Tip 11479:"Assertion failed" error when launching AutoCAD.
Tip 11375:System error: The program can't start because mfc120u.dll is missing


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