Invoking CreateFile() for Removable drive(CDROM,USB) from standard user success in Windows 7 and failed in Windows server 2008 reason?

Question

::CreateFile( _T( "\\\\.\\H:" ), GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, 0 );

above call returns access is denied when running with standard user token.

With SUA analyser it shows NT Authority System and Built in administrators are granted to WRITE. But in windows 7 it works with out any issue.

Answer 1

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Thanks, Renjith V R

Answer 2

What does GetLastError return after you call CreateFile?

Answer 3

Duplicate of https://social.msdn.microsoft.com/Forums/en-US/7363f9cc-e9ce-4d5f-b66b-e47844425ac8/invoking-createfile-for-removable-drivecdromusb-from-standard-user-success-in-windows-7-and?forum=vcgeneral

Answer 4

How about using GENERIC_READ|GENERIC_WRITE instead of just GENERIC_WRITE?

This may helps: File Security and Access Rights

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Answer 5

How about using GENERIC_READ|GENERIC_WRITE instead of just GENERIC_WRITE?

This may helps: File Security and Access Rights

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Same result.  It returns access is denied.  For other drives it returns same error in both Windows and Windows Server 2008. But for USB/DVD Drive it returns Access is denied only in Windows Server 2008. I need the reason for it

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Thanks, Renjith V R