Recently we had a new employee join our company and we gave him a Macbook like he requested, in a Windows environment..... Right there, already a headache and a half...... We set him up on our Exchange server and his email and everything works just fine, but it seems we have run into two issues:

1. His account is delegated by another employee, specifically to his calendar. Whenever she makes a change on an event, the event turns purple on her side, and green on his side.  Outlook 2010 for Windows doesn't have a specific category set up for calendar events or edited events. On the Mac side, the changed events are marked as bright green which is for "My Contacts", doesn't make any sense.... How can we turn this off so the events do not change colors on either end? Here is what we have tried:

• We added a different delegate with the same permissions and the same problem had occurred.
• Really not sure on how else to troubleshoot this specific problem.

2. In addition to that problem, the client who received the new MacBook has been having problems syncing the calendar on his Outlook 2011 between our Exchange server, his iPhone and iPad and his delegate. Every event shows up on all other devices except his MacBook, it's very strange, it's usually the other way around. Emails, Contacts, etc. sync just fine, but the Calendar is not able to catch up. The MacBook calendar has most of the events, but select events are not showing, but they are seen everywhere else. Are we missing a setting that needs to be setup to get his MacBook to sync correctly or is there a deeper issue? Here is what we have tried:

• Checked Sync Services to see if it was syncing to the correct areas. Everything seems to be in the right place. But I could be wrong.
• Manually synced calendars, no changes, MacBook is still lacking newly added events. 
• Removed the account, rebooted, and added the account again, still not syncing fully.

If anyone has any idea what may be going on or any advice or troubleshooting scenarios that would be most helpful, thank you! And please don't tell me to go to another forum, already did that... Thanks!