I was helping a friend recently update his Exchange servers. When we launched the cumulative update we ran into this error.
Unable to remove product with code 4934d1ea-be46-48b1-8847-f1af20e892c1. Fatal error during installation. Error code is 1603. Last error reported by the MSI package is 'The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2330.'
According to this reference guide from DesktopEngineer.com Error Code 2330 translates to ‘Error getting file attributes’.
Ruh-roh! That sounds like file corruption.
When exploring the Application Log we discovered a number of 10005 MSIINSTALLER errors.
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