Originally posted at answers.microsoft.com. No help there. They suggested I try posting here:
A little background in case it's important:
SBS2008 Server w/ Exchange v7 8.01.0340.000
I run an RDC connection to a virtual server running Office 2010 (this is not the same server hosting Exchange)
I run a Mac with OSX 10.6.8 and Office 2011
I use both of these workspaces simultaneously. Previous to installing Office 2011 last month, I ran Office 2010 from the RDC connection. Everything worked fine from that side.
Now that I'm using Outlook 2011 task management is very strange at times. I'm in MacOS 95% of my day. I'd prefer to use Outlook 2011 rather than 2010 through an RDC connection, which is the reason I purchased 2011.
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The issue(s): Suppose I create a task in Outlook 2011, and save it; then, later I go back to make edits. If Outlook happens to sync while I have the task open in edit mode, it will get overwritten with the previously saved version. The only workaround I have found so far is to hit the cmd-s button nearly as frequently as punctuation. At least I never lose more than a sentence fragment.
However, one thing that I can not seem to resolve at all is completion status. If I ever have occasion to re-activate a completed task--which does happen--toggling the 'completed' button back off and saving the task does not re-set its status back to active. The 'task complete' flag seems to fall outside of the purview of the save function. So, while hitting 'save' regularly when editing tasks retains the data, every time exchange syncs with the tasks, it will mark the task completed again.
I have double/triple checked the server's time and my workstation's time are the same--down to the second. I've tried closing the Outlook 2010 application on the PC. I've fiddled with the sync services preferences in Outlook 2011 to sync to the Exchange server, to my computer (and combinations of both); I've set the outlook folder to add new items to the Exchange server and to the local machine. The results are always the same as outlined above.