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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 |
