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Table of Contents

Special Notices

This section highlights some of the operational changes that administrators should be aware of in 6.4.4.

VPN Manager in a Fabric type ADOM

After Upgrading to FortiManager 6.4.4, the VPN Manager may fail to install to any device participating in a full mesh VPN.

Customers using VPN Manager in a fabric type ADOM should not upgrade to 6.4.4 until the issue is resolved.

Policy Hit Count on unused policy

FortiManager 6.4.3 and later no longer displays policy hit count information on the Policy & Objects > Policy Packages pane. However, you can view hit count information by using the Unused Policies feature and clearing the Unused Only checkbox. For more information, see the FortiManager 6.4 New Features Guide.

Wireless Manager (FortiWLM) not accessible

If Wireless Manager was enabled in FortiManager 6.4.0, you can no longer access it in the FortiManager GUI when you upgrade FortiManager to 6.4.2. When you try to access FortiWLM, you are redirected to the FortiManager dashboard.

SD-WAN Orchestrator not accessible

If SD-WAN Orchestrator was enabled in FortiManager 6.4.1, you can no longer access it in the FortiManager GUI after upgrading to FortiManager 6.4.2.

To workaround this issue, run the following CLI command to manually trigger an update of SD-WAN Orchestrator to 6.4.1 r2:

diagnose docker upgrade sdwancontroller

Support for FortiOS 6.4 SD-WAN Zones

In 6.4 ADOMs, SD-WAN member interfaces are grouped into SD-WAN zones. These zones can be imported as normalized interfaces and used in firewall policies.

FortiGuard Rating Services with FortiGate 6.4.1 or Later

FortiManager 6.4.1 or later is the supported version to provide FortiGuard rating services to FortiGate 6.4.1 or later.

Citrix XenServer default limits and upgrade

Citrix XenServer limits ramdisk to 128M by default. However the FMG-VM64-XEN image is larger than 128M. Before updating to FortiManager 6.4, increase the size of the ramdisk setting on Citrix XenServer.

To increase the size of the ramdisk setting:
  1. On Citrix XenServer, run the following command:

    xenstore-write /mh/limits/pv-ramdisk-max-size 536,870,912

  2. Confirm the setting is in effect by running xenstore-ls.

    -----------------------

    limits = ""

    pv-kernel-max-size = "33554432"

    pv-ramdisk-max-size = "536,870,912"

    boot-time = ""

    ---------------------------

  3. Remove the pending files left in /run/xen/pygrub.
Note

The ramdisk setting returns to the default value after rebooting.

Multi-step firmware upgrades

Prior to using the FortiManager to push a multi-step firmware upgrade, confirm the upgrade path matches the path outlined on our support site. To confirm the path, please run:

dia fwmanager show-dev-upgrade-path <device name> <target firmware>

Alternatively, you can push one firmware step at a time.

Hyper-V FortiManager-VM running on an AMD CPU

A Hyper-V FMG-VM running on a PC with an AMD CPU may experience a kernel panic. Fortinet recommends running VMs on an Intel-based PC.

SSLv3 on FortiManager-VM64-AWS

Due to known vulnerabilities in the SSLv3 protocol, FortiManager-VM64-AWS only enables TLSv1 by default. All other models enable both TLSv1 and SSLv3. If you wish to disable SSLv3 support, please run:

config system global

set ssl-protocol t1sv1

end

Special Notices

This section highlights some of the operational changes that administrators should be aware of in 6.4.4.

VPN Manager in a Fabric type ADOM

After Upgrading to FortiManager 6.4.4, the VPN Manager may fail to install to any device participating in a full mesh VPN.

Customers using VPN Manager in a fabric type ADOM should not upgrade to 6.4.4 until the issue is resolved.

Policy Hit Count on unused policy

FortiManager 6.4.3 and later no longer displays policy hit count information on the Policy & Objects > Policy Packages pane. However, you can view hit count information by using the Unused Policies feature and clearing the Unused Only checkbox. For more information, see the FortiManager 6.4 New Features Guide.

Wireless Manager (FortiWLM) not accessible

If Wireless Manager was enabled in FortiManager 6.4.0, you can no longer access it in the FortiManager GUI when you upgrade FortiManager to 6.4.2. When you try to access FortiWLM, you are redirected to the FortiManager dashboard.

SD-WAN Orchestrator not accessible

If SD-WAN Orchestrator was enabled in FortiManager 6.4.1, you can no longer access it in the FortiManager GUI after upgrading to FortiManager 6.4.2.

To workaround this issue, run the following CLI command to manually trigger an update of SD-WAN Orchestrator to 6.4.1 r2:

diagnose docker upgrade sdwancontroller

Support for FortiOS 6.4 SD-WAN Zones

In 6.4 ADOMs, SD-WAN member interfaces are grouped into SD-WAN zones. These zones can be imported as normalized interfaces and used in firewall policies.

FortiGuard Rating Services with FortiGate 6.4.1 or Later

FortiManager 6.4.1 or later is the supported version to provide FortiGuard rating services to FortiGate 6.4.1 or later.

Citrix XenServer default limits and upgrade

Citrix XenServer limits ramdisk to 128M by default. However the FMG-VM64-XEN image is larger than 128M. Before updating to FortiManager 6.4, increase the size of the ramdisk setting on Citrix XenServer.

To increase the size of the ramdisk setting:
  1. On Citrix XenServer, run the following command:

    xenstore-write /mh/limits/pv-ramdisk-max-size 536,870,912

  2. Confirm the setting is in effect by running xenstore-ls.

    -----------------------

    limits = ""

    pv-kernel-max-size = "33554432"

    pv-ramdisk-max-size = "536,870,912"

    boot-time = ""

    ---------------------------

  3. Remove the pending files left in /run/xen/pygrub.
Note

The ramdisk setting returns to the default value after rebooting.

Multi-step firmware upgrades

Prior to using the FortiManager to push a multi-step firmware upgrade, confirm the upgrade path matches the path outlined on our support site. To confirm the path, please run:

dia fwmanager show-dev-upgrade-path <device name> <target firmware>

Alternatively, you can push one firmware step at a time.

Hyper-V FortiManager-VM running on an AMD CPU

A Hyper-V FMG-VM running on a PC with an AMD CPU may experience a kernel panic. Fortinet recommends running VMs on an Intel-based PC.

SSLv3 on FortiManager-VM64-AWS

Due to known vulnerabilities in the SSLv3 protocol, FortiManager-VM64-AWS only enables TLSv1 by default. All other models enable both TLSv1 and SSLv3. If you wish to disable SSLv3 support, please run:

config system global

set ssl-protocol t1sv1

end