Win32 API Function GetEffectiveRightsFromAcl() Returns Incorrect Access Mask Value

ID: Q215367

The information in this article applies to:

Microsoft Windows NT Server version 4.0 SP4

SYMPTOMS

Security access related to the Win32 API GetEffectiveRightsFromAcl() function does not return the correct Access Mask value. This problem happens after you install Windows NT 4.0 Service Pack 4. Regardless of the Access Mask value, the GetEffectiveRightsFromAcl() function always returns STANDARD_RIGHTS_ALL (0x00000000).

CAUSE

In Service Pack 4, the security access objects are not mapped correctly in the AccConvertAccessMaskToActrlAccess() function.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:

http://www.microsoft.com/Windows/ServicePacks/

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was first corrected in Windows NT 4.0 Service Pack 6.

Additional query words: 4.00 sp4

Keywords : kbbug4.00 kbfix4.00 nt4sp5fix
Version : winnt:4.0 SP4
Platform : winnt
Issue type : kbbug