Error message when you try to add more than 64 logon workstations: "This property is limited to 64 values"

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Article ID: 938458 - View products that this article applies to.
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Symptoms

In Active Directory Users and Computers, you try to add more than 64 logon workstation entries on the Logon To tab in the user account properties dialog box. After you do this, you may receive the following error message:

This property is limited to 64 values. You must remove some of the existing values before you can add new ones.

Cause

This problem occurs because the User-Workstations attribute has a Range-Upper value of 1,024 characters. When you enter the NetBIOS computer names by using Active Directory Users and Computers, the NetBIOS name has a maximum length of 16 characters. Therefore, you can store only 64 logon workstation entries.

Status

This behavior is by design.

Note You can change the rangeUpper value on the User-Workstations attribute in the schema to a value up to 8192 to allow more entries in the list. Microsoft does not recommend higher values as you might hit object size limits.

More information

rangeUpper is the Ldap-Display-Name for the Range-Upper value. Range-Upper is the maximum value or the maximum length of an attribute. The User-Workstations attribute is defined in the userWorkstations property of a user. The User-Workstations attribute is a single-valued property that represents a comma-separated list of NetBIOS computer names.

For more information about the User-Workstations attribute, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/ms680868.aspx

Properties

Article ID: 938458 - Last Review: June 16, 2014 - Revision: 4.0
Applies to
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003 R2 Datacenter Edition (32-Bit x86)
  • Microsoft Windows Server 2003 R2 Datacenter x64 Edition
  • Microsoft Windows Server 2003 R2 Enterprise Edition (32-Bit x86)
  • Microsoft Windows Server 2003 R2 Enterprise x64 Edition
  • Microsoft Windows Server 2003 R2 Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003 R2 Standard x64 Edition
  • Microsoft Windows 2000 Server
  • Windows Server 2008 Service Pack 2
  • Windows Server 2008 R2 Service Pack 1
  • Windows Server 2012 Essentials
  • Windows Server 2012 Standard
  • Windows Server 2012 Datacenter
  • Windows Server 2012 R2 Essentials
  • Windows Server 2012 R2 Standard
  • Windows Server 2012 R2 Datacenter
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