iChat Error

Like millions of people out there, I upgraded my Mac OS X 10.4 computer to Apple's latest OS this past weekend, 10.5 Leopard. So far, I am very pleased with the results. The only trouble I have had is connecting to my AIM service using iChat.
If you're receiving this error message, try the following troubleshooting steps to correct the error. This is a solution to one instance of this error. If it does not work, don't give up!
- Open iChat
- Click on iChat > Preferences
- Find your AIM account you're having trouble with in the left column
- Click on Server Settings
- Change your server port from 5190 to 443
- Restart iChat