Error: 1325. Microsoft is not a valid short file name

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Web TimeSheet administrator gets the following error message while installing Microsoft Project Integration Manager.

"Error 1325. Microsoft is not a valid short file name"

This behavior is specific to 64-bit operating systems, only when upgrading from Windows XP 32-bit to Windows 7 64-bit.


  • Uninstall windows XP and do a clean install of Windows 7 64-bit.
  • Install Microsoft Project Integration Manager again and this time the installation of the integration manager should complete successfully.


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