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Comparing ADAM to Active Directory

Updated: August 22, 2005

Applies To: Windows Server 2003 R2

Comparing ADAM to Active Directory

The following table illustrates the functional differences and similarities between Active Directory Application Mode (ADAM) and Active Directory.

 

Feature ADAM Active Directory

Supports multiple schemas per server

Yes

No

Supports multiple directory instances per server

Yes

No

Runs on Windows XP Professional

Yes

No

Runs on member servers

Yes

No

Supports X.500 naming for top-level directory partitions

Yes

No

Supports installing, starting, and stopping without a reboot

Yes

No

Group Policy

No

Yes

Global catalog

No

Yes

IntelliMirror desktop management

No

Yes

Automated software distribution

No

Yes

Domain trusts and forest trusts

No

Yes

Public key infrastructure (PKI)/X.509

No

Yes

Supports DNS service (SRV) resource records

No

Yes

Supports Lightweight Directory Access Protocol (LDAP) application programming interface (API)

Yes

Yes

Supports Active Directory Service Interfaces (ADSI) API

Yes

Yes

Supports Messaging API (MAPI)

No

Yes

Delegated administration

Yes

Yes

Multimaster replication

Yes

Yes

InetOrgPerson

Yes

Yes

LDAP over Secure Sockets Layer (SSL)

Yes

Yes

Attribute-level security

Yes

Yes

LDAP access control list (ACL) support

Yes

Yes

Microsoft Identity Integration Server 2003 compatibility

Yes

Yes

Extensible schema

Yes

Yes

Supports application directory partitions

Yes

Yes

Supports installation of a replica from media

Yes

Yes

Supports 64-bit servers

Yes

Yes

Supports concurrent LDAP binding

Yes

Yes

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