FireWalls stopped synchronization after a policy load. FireWall-1 daemon crashed when more then 64K needs to be synchronized at one chunk. FireWalls might get out of synchronization from time to time. Security Servers might stop working if running on two synchronized machines. FireWall synchronization does not behave properly after reload of a policy.
System crashes under heavy load.
Using synchronization with several features caused system crashes. See Limitations section, below. SMTP Security Server 1. Long header lines logging. Redundant spaces in sender and recipient were not RFC-821 compliant.