Maximum Number of ACEs in an ACL (166348)



The information in this article applies to:

  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, 64-Bit Datacenter Edition
  • Microsoft Windows Server 2003, 64-Bit Enterprise Edition
  • Microsoft Windows Server 2003, Enterprise Edition
  • Microsoft Windows Server 2003, Datacenter Edition
  • Microsoft Windows Server 2003, Standard Edition
  • Microsoft Windows XP 64-Bit Edition
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Advanced Server MultiLanguage Version
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Server MultiLanguage Version
  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Workstation 3.51

This article was previously published under Q166348

SYMPTOMS

When you add users or groups to the security permissions of an object share, file, or directory, you may receive the following error message:
You have exceeded the operating system's limit on the number of users and groups that can be in a security information structure. Remove some users or groups and try the operation again.
Or, when using Cacls.exe to perform this function, you may receive the following error message:
The parameter is incorrect.

CAUSE

This error occurs when you reach the maximum number of Access Control Entries (ACE) for an object. The number of access control entries is limited to 1,820. Access control entries are kept in the Access Control List (ACL).

Modification Type:MajorLast Reviewed:9/20/2003
Keywords:kbprb KB166348 kbAudITPRO kbAudEndUser