If you are running Lotus Domino 8.5.3 Fix Pack 1 (22.214.171.124) with the Lotus Notes Traveler server on a Windows 64-bit system, it is recommended that you apply this Interim Fix to avoid potential serious issues including a server crash.
The crash occurs when Traveler sends a message that contains seven deeply nested messages. This only occurs on the Windows 64-bit platform.
- Domino 8.5.3 Fix Pack 1 (126.96.36.199) Interim Fix 2
- Interim Fix 1 for Domino 8.5.3 Fix Pack 3 (188.8.131.52)
- Notes/Domino 8.5.3 Fix Pack 3