Hi,
Refer the techhnote given below :
While installing Backup Exec 9.x or 10.0 for Windows Servers, an 'Error 1327. Invalid Drive' message is displayed.
http://support.veritas.com/docs/254939
-can you also update us on the related event ids generated if any ?
Update us on the same and revert for any further Query
Hope this will help you
Thank you
Gauri
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