| Instead of setting that in Open Directory, you'll want to set up Directory Access in Tiger (10.4.x) or Directory Utility in Leopard (10.5.x) to use the Active Directory plugin to bind to the AD. If you are using Leopard, you'll want to be sure to be using 10.5.2, which was just released as an update.
There more to having a successful integration, but this is where you'll want to start looking.
Michael |