FortiOS update with versions 5.2.14/5.4.12/5.6.10/6.0.5/6.2.1

Fortinet released two "Customer Support Bulletins" (check fortinet support portal) regarding a possible issue with uninterruptible upgrade in FortiGate HA-clusters running version FortiOS 5.2.14 or 5.4.12 or 5.6.10 or 6.0.5 or 6.2.1. Please check the two Customer Support Bulletins before upgrading and plan a possible short downtime for the update.

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