When you Unix-enable an Active Directory user with Authentication Services, the default configuration for that user is that he or she will use a local home directory. The home directory path is populated with a Unix path (/home/<username>).
On Mac OS X systems, /home is replaced with /Users, aligning with the Mac OS X standard location for local home directories. Authentication Services supports the automatic mounting of network shares (SMB or AFP) using Active Directory credentials, but you must specify a server path. You can store this server path in the directory on each user as a UNC path, or as a per machine setting.
You can configure your home folder strategy globally for the entire domain using Group Policy extensions for Unix, or you can configure it on a per machine basis at the time you join your Mac OS X machine to the domain.
To configure automatic home folder mounting at join time
The Join Domain dialog displays:
You can configure Authentication Services to mount a share that is specified as a UNC format path and stored on a user. The two most commonly used paths are found on the users Profile tab in ADUC.
To mount the Windows Home Folder or Profile Path
If you cannot use the shares specified in Profile Path or Home Folder for some reason (for example, if your Windows home shares are DFS shares), you can specify an alternate share at join time by specifying a network home path expression.
To specify a network home path expression
Selecting this option configures the network home for all users on the machine. Because of this you must specify how the path name will be resolved for each user.
For example, if you selected Common Name and then clicked Insert Attribute, the expansion macro for Common Name (%c) is inserted into your path expression. The path expression may have text and expansion macros, or it may just be a single expansion macro with no other text.