SAM-Account-Name attribute

The logon name used to support clients and servers running earlier versions of the operating system, such as Windows NT 4.0, Windows 95, Windows 98, and LAN Manager.

This attribute must be 20 characters or less to support earlier clients, and cannot contain any of these characters:

  • "/ \ [ ] : ; | = , + * ? < >
CN SAM-Account-Name
Ldap-Display-Name sAMAccountName
Size 20 characters or less.
Update Privilege Domain administrator
Update Frequency This value should be assigned when the account record is created, and should not change.
Attribute-Id 1.2.840.113556.1.4.221
System-Id-Guid 3e0abfd0-126a-11d0-a060-00aa006c33ed
Syntax String(Unicode)

Implementations

Windows 2000 Server

Link-Id -
MAPI-Id -
System-Only False
Is-Single-Valued True
Is Indexed True
In Global Catalog True
NT-Security-Descriptor O:BAG:BAD:S:
Range-Lower 0
Range-Upper 256
Search-Flags 0x0000000D
System-Flags 0x00000012
Classes used in Security-Principal

Windows Server 2003

Link-Id -
MAPI-Id -
System-Only False
Is-Single-Valued True
Is Indexed True
In Global Catalog True
NT-Security-Descriptor O:BAG:BAD:S:
Range-Lower 0
Range-Upper 256
Search-Flags 0x0000000D
System-Flags 0x00000012
Classes used in Security-Principal

Windows Server 2003 R2

Link-Id -
MAPI-Id -
System-Only False
Is-Single-Valued True
Is Indexed True
In Global Catalog True
NT-Security-Descriptor O:BAG:BAD:S:
Range-Lower 0
Range-Upper 256
Search-Flags 0x0000000D
System-Flags 0x00000012
Classes used in Security-Principal

Windows Server 2008

Link-Id -
MAPI-Id -
System-Only False
Is-Single-Valued True
Is Indexed True
In Global Catalog True
NT-Security-Descriptor O:BAG:BAD:S:
Range-Lower 0
Range-Upper 256
Search-Flags 0x0000000D
System-Flags 0x00000012
Classes used in Security-Principal

Windows Server 2008 R2

Link-Id -
MAPI-Id -
System-Only False
Is-Single-Valued True
Is Indexed True
In Global Catalog True
NT-Security-Descriptor O:BAG:BAD:S:
Range-Lower 0
Range-Upper 256
Search-Flags 0x0000000D
System-Flags 0x00000012
Classes used in Security-Principal

Windows Server 2012

Link-Id -
MAPI-Id -
System-Only False
Is-Single-Valued True
Is Indexed True
In Global Catalog True
NT-Security-Descriptor O:BAG:BAD:S:
Range-Lower 0
Range-Upper 256
Search-Flags 0x0000000D
System-Flags 0x00000012
Classes used in Security-Principal