iChat changes effective July 1, 2014

Apple has made some changes regarding iChat, effective July 1, 2014 documented on the link below:

OS X: Using me.com or mac.com IDs with AIM in iChat requires OS X v10.7.2 or later

Note, before upgrading to Mac OS X 10.7 or later, consider this tip:

https://discussions.apple.com/docs/DOC-6271