Just a quick tip when installing Maya 2012 on newer Mac operating systems like 10.6 (Leopard), 10.7 (Snow Leopard) and 10.8 (Mountain Lion).
1. It's not supported and it is noted here:
2. You will notice that you cannot install it and there will be the following error:
3. In this instance, you just need to not select Direct Connect to complete the installation. Direct Connect is used for Data Transfer within Maya.
4. Maya 2012 will now run but it's not supported!