diff --git a/gns3server/appliances/fortianalyzer.gns3a b/gns3server/appliances/fortianalyzer.gns3a
index 58486e57..fb0aed44 100644
--- a/gns3server/appliances/fortianalyzer.gns3a
+++ b/gns3server/appliances/fortianalyzer.gns3a
@@ -11,15 +11,16 @@
     "product_url": "https://www.fortinet.com/products-services/products/management-reporting/fortianalyzer.html",
     "registry_version": 4,
     "status": "stable",
-    "maintainer": "GNS3 Team",
-    "maintainer_email": "developers@gns3.net",
-    "usage": "Default username is admin, no password is set.\n\n- Versions 7.0 and higher require:\n--RAM: 8192 MB\n--CPU:4",
+    "maintainer": "Ean Towne",
+    "maintainer_email": "ean.fortinet@gmail.com",
+    "usage": "Default username is admin, no password is set.\n\n- Versions lower than 7.0.x can reduce CPU/RAM",
     "symbol": "fortinet.svg",
     "port_name_format": "Port{port1}",
     "qemu": {
         "adapter_type": "e1000",
         "adapters": 4,
-        "ram": 4096,
+        "ram": 16384,
+        "cpus": 4,
         "hda_disk_interface": "virtio",
         "hdb_disk_interface": "virtio",
         "arch": "x86_64",
@@ -28,6 +29,20 @@
         "kvm": "allow"
     },
     "images": [
+        {
+            "filename": "FAZ_VM64_KVM-v7.4.1-build2308-FORTINET.out.kvm.qcow2",
+            "version": "7.4.1",
+            "md5sum": "f30caac36854c2a0cc1e35c4ab5f310d",
+            "filesize": 435310592,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
+        {
+            "filename": "FAZ_VM64_KVM-v7.2.4-build1460-FORTINET.out.kvm.qcow2",
+            "version": "7.2.4",
+            "md5sum": "d53bd5c61cc3f5e387557dfcfe9bc530",
+            "filesize": 363327488,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FAZ_VM64_KVM-v7.2.2-build1334-FORTINET.out.kvm.qcow2",
             "version": "7.2.2",
@@ -42,6 +57,13 @@
             "filesize": 340631552,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FAZ_VM64_KVM-v7.0.9-build0489-FORTINET.out.kvm.qcow2",
+            "version": "7.0.9",
+            "md5sum": "3f69c9bc4fa7776476edf0ce9728ebd7",
+            "filesize": 347889664,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FAZ_VM64_KVM-v7.0.6-build0372-FORTINET.out.kvm.qcow2",
             "version": "7.0.6",
@@ -56,6 +78,13 @@
             "filesize": 334184448,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FAZ_VM64_KVM-v6.4.12-build2610-FORTINET.out.kvm.qcow2",
+            "version": "6.4.12",
+            "md5sum": "b9e164c2d4e778348a6a7107d375abf3",
+            "filesize": 300691456,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FAZ_VM64_KVM-v6-build2288-FORTINET.out.kvm.qcow2",
             "version": "6.4.5",
@@ -206,6 +235,20 @@
         }
     ],
     "versions": [
+        {
+            "name": "7.4.1",
+            "images": {
+                "hda_disk_image": "FAZ_VM64_KVM-v7.4.1-build2308-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
+        {
+            "name": "7.2.4",
+            "images": {
+                "hda_disk_image": "FAZ_VM64_KVM-v7.2.4-build1460-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "7.2.2",
             "images": {
@@ -220,6 +263,13 @@
                 "hdb_disk_image": "empty30G.qcow2"
             }
         },
+        {
+            "name": "7.0.9",
+            "images": {
+                "hda_disk_image": "FAZ_VM64_KVM-v7.0.9-build0489-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "7.0.6",
             "images": {
@@ -234,6 +284,13 @@
                 "hdb_disk_image": "empty30G.qcow2"
             }
         },
+        {
+            "name": "6.4.12",
+            "images": {
+                "hda_disk_image": "FAZ_VM64_KVM-v6.4.12-build2610-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "6.4.5",
             "images": {
diff --git a/gns3server/appliances/fortigate.gns3a b/gns3server/appliances/fortigate.gns3a
index 9f85fd5e..f3efb72c 100644
--- a/gns3server/appliances/fortigate.gns3a
+++ b/gns3server/appliances/fortigate.gns3a
@@ -11,15 +11,15 @@
     "product_url": "http://www.fortinet.com/products/fortigate/virtual-appliances.html",
     "registry_version": 4,
     "status": "stable",
-    "maintainer": "GNS3 Team",
-    "maintainer_email": "developers@gns3.net",
+    "maintainer": "Ean Towne",
+    "maintainer_email": "ean.fortinet@gmail.com",
     "usage": "Default username is admin, no password is set.\n\n- FortiGate version 7.0.0 and above require 2GB RAM.\n\n- FortiGate versions higher than 7.2.0 trial license is VERY restrictive, not recommended for use.",
     "symbol": "fortinet.svg",
     "port_name_format": "Port{port1}",
     "qemu": {
         "adapter_type": "e1000",
         "adapters": 10,
-        "ram": 1024,
+        "ram": 2048,
         "hda_disk_interface": "virtio",
         "hdb_disk_interface": "virtio",
         "arch": "x86_64",
@@ -28,6 +28,20 @@
         "kvm": "allow"
     },
     "images": [
+        {
+            "filename": "FGT_VM64_KVM-v7.4.1.F-build2463-FORTINET.out.kvm.qcow2",
+            "version": "7.4.1",
+            "md5sum": "362a2f3d4ca842aaabd87191d4446584",
+            "filesize": 116064256,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
+        {
+            "filename": "FGT_VM64_KVM-v7.2.6.F-build1575-FORTINET.out.kvm.qcow2",
+            "version": "7.2.6",
+            "md5sum": "b5ef3c844abb4947f98b88ae0048660b",
+            "filesize": 103022592,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FGT_VM64_KVM-v7.2.4.F-build1396-FORTINET.out.kvm.qcow2",
             "version": "7.2.4",
@@ -49,6 +63,13 @@
             "filesize": 86704128,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FGT_VM64_KVM-v7.0.12.M-build0523-FORTINET.out.kvm.qcow2",
+            "version": "7.0.12",
+            "md5sum": "7cd2452dde489c80f48c40a7f8a48c8e",
+            "filesize": 88997888,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FGT_VM64_KVM-v7.0.10.M-build0450-FORTINET.out.kvm.qcow2",
             "version": "7.0.10",
@@ -63,6 +84,13 @@
             "filesize": 77135872,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FGT_VM64_KVM-v6.4.14.M-build2093-FORTINET.out.kvm.qcow2",
+            "version": "6.4.14",
+            "md5sum": "5758340f9d3e1a03139176ab46e63e8d",
+            "filesize": 81461248,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FGT_VM64_KVM-v6.4.12.M-build2060-FORTINET.out.kvm.qcow2",
             "version": "6.4.12",
@@ -304,6 +332,20 @@
         }
     ],
     "versions": [
+        {
+            "name": "7.4.1",
+            "images": {
+                "hda_disk_image": "FGT_VM64_KVM-v7.4.1.F-build2463-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
+        {
+            "name": "7.2.6",
+            "images": {
+                "hda_disk_image": "FGT_VM64_KVM-v7.2.6.F-build1575-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "7.2.4",
             "images": {
@@ -325,6 +367,13 @@
                 "hdb_disk_image": "empty30G.qcow2"
             }
         },
+        {
+            "name": "7.0.12",
+            "images": {
+                "hda_disk_image": "FGT_VM64_KVM-v7.0.12.M-build0523-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "7.0.10",
             "images": {
@@ -339,6 +388,13 @@
                 "hdb_disk_image": "empty30G.qcow2"
             }
         },
+        {
+            "name": "6.4.14",
+            "images": {
+                "hda_disk_image": "FGT_VM64_KVM-v6.4.14.M-build2093-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "6.4.12",
             "images": {
diff --git a/gns3server/appliances/fortimanager.gns3a b/gns3server/appliances/fortimanager.gns3a
index 636bb14d..cc35e900 100644
--- a/gns3server/appliances/fortimanager.gns3a
+++ b/gns3server/appliances/fortimanager.gns3a
@@ -11,15 +11,16 @@
     "product_url": "http://www.fortinet.com/products/fortimanager/virtual-security-management.html",
     "registry_version": 4,
     "status": "stable",
-    "maintainer": "GNS3 Team",
-    "maintainer_email": "developers@gns3.net",
-    "usage": "Default username is admin, no password is set.\n\n- Versions 7.0 and higher require:\n--RAM: 8192 MB\n--CPU:4",
+    "maintainer": "Ean Towne",
+    "maintainer_email": "ean.fortinet@gmail.com",
+    "usage": "Default username is admin, no password is set.\n\n- Versions lower than 7.0.x require less CPU/RAM",
     "symbol": "fortinet.svg",
     "port_name_format": "Port{port1}",
     "qemu": {
         "adapter_type": "virtio-net-pci",
         "adapters": 4,
-        "ram": 2048,
+        "ram": 8192,
+        "cpus": 4,
         "hda_disk_interface": "virtio",
         "hdb_disk_interface": "virtio",
         "arch": "x86_64",
@@ -28,6 +29,20 @@
         "kvm": "allow"
     },
     "images": [
+        {
+            "filename": "FMG_VM64_KVM-v7.4.1-build2308-FORTINET.out.kvm.qcow2",
+            "version": "7.4.1",
+            "md5sum": "e542cc8f2d8f46e9c32b783bf31bef39",
+            "filesize": 309387264,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
+        {
+            "filename": "FMG_VM64_KVM-v7.2.4-build1460-FORTINET.out.kvm.qcow2",
+            "version": "7.2.4",
+            "md5sum": "98fa9830d9ecb5911a703d03b80026b6",
+            "filesize": 261992448,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FMG_VM64_KVM-v7.2.2-build1334-FORTINET.out.kvm.qcow2",
             "version": "7.2.2",
@@ -42,6 +57,13 @@
             "filesize": 242814976,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FMG_VM64_KVM-v7.0.9-build0489-FORTINET.out.kvm.qcow2",
+            "version": "7.0.9",
+            "md5sum": "dbeb6a79b6e421000573dbbbdb50b8b5",
+            "filesize": 247955456,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FMG_VM64_KVM-v7.0.6-build0372-FORTINET.out.kvm.qcow2",
             "version": "7.0.6",
@@ -56,6 +78,13 @@
             "filesize": 237535232,
             "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
         },
+        {
+            "filename": "FMG_VM64_KVM-v6.4.12-build2610-FORTINET.out.kvm.qcow2",
+            "version": "6.4.12",
+            "md5sum": "36c0dc531d921e5f1e1e09b030f7c813",
+            "filesize": 219455488,
+            "download_url": "https://support.fortinet.com/Download/FirmwareImages.aspx"
+        },
         {
             "filename": "FMG_VM64_KVM-v6-build2288-FORTINET.out.kvm.qcow2",
             "version": "6.4.5",
@@ -206,6 +235,20 @@
         }
     ],
     "versions": [
+        {
+            "name": "7.4.1",
+            "images": {
+                "hda_disk_image": "FMG_VM64_KVM-v7.4.1-build2308-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
+        {
+            "name": "7.2.4",
+            "images": {
+                "hda_disk_image": "FMG_VM64_KVM-v7.2.4-build1460-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "7.2.2",
             "images": {
@@ -220,6 +263,13 @@
                 "hdb_disk_image": "empty30G.qcow2"
             }
         },
+        {
+            "name": "7.0.9",
+            "images": {
+                "hda_disk_image": "FMG_VM64_KVM-v7.0.9-build0489-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "7.0.6",
             "images": {
@@ -234,6 +284,13 @@
                 "hdb_disk_image": "empty30G.qcow2"
             }
         },
+        {
+            "name": "6.4.12",
+            "images": {
+                "hda_disk_image": "FMG_VM64_KVM-v6.4.12-build2610-FORTINET.out.kvm.qcow2",
+                "hdb_disk_image": "empty30G.qcow2"
+            }
+        },
         {
             "name": "6.4.5",
             "images": {
diff --git a/gns3server/compute/iou/iou_vm.py b/gns3server/compute/iou/iou_vm.py
index 50e132c1..f3f572db 100644
--- a/gns3server/compute/iou/iou_vm.py
+++ b/gns3server/compute/iou/iou_vm.py
@@ -587,7 +587,12 @@ class IOUVM(BaseNode):
             # create a symbolic link to the image to avoid IOU error "failed code signing checks"
             # on newer images, see https://github.com/GNS3/gns3-server/issues/1484
             try:
-                symlink = os.path.join(self.working_dir, os.path.basename(self.path))
+                iou_image_path = os.path.basename(self.path)
+                if len(iou_image_path) > 63:
+                    # IOU file basename length must be <= 63 chars
+                    iou_file_name, iou_file_ext = os.path.splitext(iou_image_path)
+                    iou_image_path = iou_file_name[:63 - len(iou_file_ext)] + iou_file_ext
+                symlink = os.path.join(self.working_dir, iou_image_path)
                 if os.path.islink(symlink):
                     os.unlink(symlink)
                 os.symlink(self.path, symlink)