Can Special Edition for QuickBooks Users be installed "on top" of regular TimeTTracker MX2?

No. TimeTTracker MX2, Special Edition for QuickBooks Users is a completely separate and specialized product. It uses a different SQL Server Compact database format, new Intuit XML communication libraries and new synchronization modules.

Can I install Special Edition for QuickBooks Users on a computer with regular MX2 already installed?

No, it is currently not recommended due to tight integration of both editions' components.

I installed Special Edition for QuickBooks Users but it does not accept my MX2 license.

Special Edition for QuickBooks Users will not accept your MX2 (General Use Edition) license by design, as upgrading across product editions is not completely free. If you have already purchased a TimeTTracker MX2 Pro license, please contact sales.

How do I move my existing MX2 data to Special Edition for QuickBooks Users?

An automated data migration path has been implemented to help you. For more information, please see the Q10200193 Knowledge Base article.