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 User-Account-Control Attribute
User-Account-Control Attribute

Flags that control the behavior of the user account.

CN User-Account-Control
Ldap-Display-Name userAccountControl
Size 4 bytes.
Update Privilege This value is set by the system.
Update Frequency Each time the account policy changes.
Attribute-Id 1.2.840.113556.1.4.8
System-Id-Guid bf967a68-0de6-11d0-a285-00aa003049e2
Syntax Enumeration

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 -
Range-Upper -
Search-Flags 0x00000019
System-Flags 0x00000012
Classes used in User

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 -
Range-Upper -
Search-Flags 0x00000019
System-Flags 0x00000012
Classes used in User

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 -
Range-Upper -
Search-Flags 0x00000019
System-Flags 0x00000012
Classes used in User

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 -
Range-Upper -
Search-Flags 0x00000019
System-Flags 0x00000012
Classes used in User

Remarks

This attribute value can be zero or a combination of one or more of the following values.

Hexadecimal value Identifier (defined in iads.h) Description
0x00000001 ADS_UF_SCRIPT The logon script is executed.
0x00000002 ADS_UF_ACCOUNTDISABLE The user account is disabled.
0x00000008 ADS_UF_HOMEDIR_REQUIRED The home directory is required.
0x00000010 ADS_UF_LOCKOUT The account is currently locked out.
0x00000020 ADS_UF_PASSWD_NOTREQD No password is required.
0x00000040 ADS_UF_PASSWD_CANT_CHANGE The user cannot change the password.

Note  You cannot assign the permission settings of PASSWD_CANT_CHANGE by directly modifying the UserAccountControl attribute. For more information and a code example that shows how to prevent a user from changing the password, see User Cannot Change Password.

:
0x00000080 ADS_UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED The user can send an encrypted password.
0x00000100 ADS_UF_TEMP_DUPLICATE_ACCOUNT This is an account for users whose primary account is in another domain. This account provides user access to this domain, but not to any domain that trusts this domain. Also known as a local user account.
0x00000200 ADS_UF_NORMAL_ACCOUNT This is a default account type that represents a typical user.
0x00000800 ADS_UF_INTERDOMAIN_TRUST_ACCOUNT This is a permit to trust account for a system domain that trusts other domains.
0x00001000 ADS_UF_WORKSTATION_TRUST_ACCOUNT This is a computer account for a computer that is a member of this domain.
0x00002000 ADS_UF_SERVER_TRUST_ACCOUNT This is a computer account for a system backup domain controller that is a member of this domain.
0x00004000 N/A Not used.
0x00008000 N/A Not used.
0x00010000 ADS_UF_DONT_EXPIRE_PASSWD The password for this account will never expire.
0x00020000 ADS_UF_MNS_LOGON_ACCOUNT This is an MNS logon account.
0x00040000 ADS_UF_SMARTCARD_REQUIRED The user must log on using a smart card.
0x00080000 ADS_UF_TRUSTED_FOR_DELEGATION The service account (user or computer account), under which a service runs, is trusted for Kerberos delegation. Any such service can impersonate a client requesting the service.
0x00100000 ADS_UF_NOT_DELEGATED The security context of the user will not be delegated to a service even if the service account is set as trusted for Kerberos delegation.
0x00200000 ADS_UF_USE_DES_KEY_ONLY Restrict this principal to use only Data Encryption Standard (DES) encryption types for keys.
0x00400000 ADS_UF_DONT_REQUIRE_PREAUTH This account does not require Kerberos pre-authentication for logon.
0x00800000 ADS_UF_PASSWORD_EXPIRED The user password has expired. This flag is created by the system using data from the Pwd-Last-Set attribute and the domain policy.
0x01000000 ADS_UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION The account is enabled for delegation. This is a security-sensitive setting; accounts with this option enabled should be strictly controlled. This setting enables a service running under the account to assume a client identity and authenticate as that user to other remote servers on the network.

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Build date: 11/1/2007

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RODC Flags      Matheesha   |   Edit   |  
0x04000000 appears to be PARTIAL_SECRETS_ACCOUNT. Here is the output from ldp for useraccountcontrol of an RODC.

userAccountControl: 0x5001000 = ( WORKSTATION_TRUST_ACCOUNT | TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION | PARTIAL_SECRETS_ACCOUNT );
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