Microsoft Active Directory


A directory service based on x.500 and LDAP provided by Microsoft.

Common Active Directory Bind Errors#

Common Active Directory Bind Errors are the error codes you might see along with error 49 (LDAP_INVALID_CREDENTIALS), and their definitions.

LDAP Query Examples for AD#

LDAP Query Examples for AD are broken down as:

LDAP and Active Directory#

Information about Microsoft Active Directory and LDAP including:

Active Directory Functional Levels#

In Windows Servers Active Directory, domain controllers can run different versions of Windows Server operating systems versions. The Active Directory Functional Levels of a domain or forest depends on which versions of Windows Server operating systems are running on the domain controllers in the domain or forest. The Active Directory Functional Levels or forest controls which advanced features are available in the domain or forest.

Microsoft Active Directory Cool Things#

Everyone appears to be critical of Microsoft Active Directory, but here are some things that other LDAP Server Implementations Vendors should add to their offerings.

Microsoft Active Directory Anomalies#

Some things that Microsoft Active Directory does or does not do, that you should know about.

Microsoft Active Directory Attributes#

Some details on Microsoft Active Directory Attributes

Active Directory Groups#

Some information on AD Groups

MAD Naming Attributes#

There is often some confusion in as to what labels correspond to specific LDAP AttributeTypes in Microsoft Active Directory

User-Account-Control Attribute#

Ambiguous Name Resolution#

How ANR works and how you can use it.

Active Directory Tools#

Some tools we have found helpful for Active Directory.

Active Directory and Passwords#

Some information on Active Directory and Passwords.

Active Directory Account Lockout#

Active Directory Account Lockout method for locking accounts|Active Directory Account Lockout]

Howto: Active Directory Schema Changes#

How Domain Controllers Are Located in Windows#

How Domain Controllers Are Located in Windows describes the mechanism used by Windows to locate a domain controller in a Windows-based domain.


Forefront Identity Manager


Some information on the Tombstone container

More Information#

There might be more information for this subject on one of the following: