Win32 API Function GetEffectiveRightsFromAcl() Returns Incorrect Access Mask Value

ID: Q215367

The information in this article applies to:

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 fix. For information on obtaining the latest service pack, please go to:

For information on obtaining the individual fix, 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://support.microsoft.com/support/supportnet/default.asp

NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, a fee may be charged. This fee is refundable if it is determined that you only require the fix you requested. However, this fee is non-refundable if you request additional technical support, if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:
Q154871 Determining If You Are Eligible for No-Charge Technical Support


STATUS

Microsoft has confirmed this to be a problem in Windows NT 4.0 Service Pack 4. This problem was first corrected in Windows NT version 4.0 Service Pack 5.

Additional query words: 4.00 sp4 


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

Last Reviewed: May 5, 1999