Can Macintosh computer join Active Directory? The answer is yes. Before joining a Mac OS X machine to the Active Directory, you need to know the domain of your Active Directory Server and your login credential.

To join/bind your Macintosh machine to Active Directory, just follow below steps:-

• Log into the Apple computer you want to join to the domain. You must be logged into an account with Administrator access.
• Open the Directory Utility, which is located in:
  10.5 (Leopard): /Applications/Utilities
  10.6 (Snow Leopard): /System/Library/CoreServices

• click the padlock and enter your password to unlock the Directory Utility.
• Click the checkmark next to Active Directory to enable Active Directory support. After that, highlight Active Directory and click on the Pencil icon at the bottom of the directory list to configure the Active Directory connection.
• Enter the name of your Active Directory domain and the computer name you wish to bind your machine as. Just leave the directory forest set to “Automatic”

• Click Bind…and enter the name and password of a domain administrator when prompted.

• Now your machine will be bound to the Active Directory domain without any error.
• Click Apply in the Directory Utility to save your changes.

If you facing join Active Directory domain from you Mac, please leave your comment.