I ended up fixing the issue. The exchange server only had MAPI ports open, not 993 and 995. We configured our router accordingly. Also we had an issue moving email from the inbox to a backup folder. The issue was because of a duplicate folder on the exchange account. When we issued a telnet command and searched the information of an email folder we received a duplicated folder error. We deleted the folder and that resulted in the script not giving us "No folder exists" error. Everything should be all set, we're just waiting on our webhost to unblock 993, 995 outgoing on their server. We installed this script locally and messed around with it. Great script, especially considering its free. Thanks for all the hard work!

Why would it allow me to connect with the connector disabled, but the exact opposite when enabled? 

I disabled selinux. I did grant permission, but for some reason I keep getting an error when the connector is enabled IMAP connection broken (server response), but I can successfully connect when it is disabled. Attached are pictures of my connector settings 

I've been working on this all day. Basically fixed some issues with extensions and was able to run the cron from the command line (not rcron). Now I'm getting this  imap_open(): Couldn't open stream {exchange.DOMAIN.com/imap/novalidate-cert}INBOX in /var/www/html/ticket/include/class.mailfetch.php on line 142

I am trying to poll emails from an exchange server on our local network. The OSTicket installation is on a virtualized centOS installation, seperate from the dedicated exchange machine on our server. Can I use the standardized cron job specified on the manual (cron log shows no errors, but tickets aren't being created.)? Or should I use the RCRON file since they are on different machines. I wasn't sure what was considered 'remote', since both machines are on the same network.