Deep Discovery Director 5.3 (B1130) supports migration from DDD version 5.1 and above. The migration package (.tar) for migration can be downloaded using this link.
For DDD versions 5.1 GM, 5.1 Service Pack 1, 5.2 GM, users can upgrade to DDD 5.3 (B1130) directly.
For support assistance, contact Trend Micro Technical Support.