Howzit Theo, Perhaps this is of assistance https://thwack.solarwinds.com/products/network-configuration-manager-ncm/f/forum/98754/config-download-is-failing-on-fortigate-firewalls-when-pre-and-post-login-banners-are-enabled or https://support.solarwinds.com/SuccessCenter/s/article/Fortinet-device-does-not-download-configuration-or-connect-with-banners-enabled?language=en_US
To add to @mark.gover comment, for v7 and up you may also need to do a number of other things.First and foremost, your version of SW must be at least 2024.2.1. Anything prior to this required a buddy drop but that is likely no longer available and you'd just be advised to update. Secondly, you will need to make some adjustments to ciphers or template lines if you don't use the out-of-the-box Fortinet template.See here: SSH - Connection Refused Cipher Updates - An F.Y.I. for more details. Finally, you may also need to follow this: https://solarwindscore.my.site.com/SuccessCenter/s/article/SolarWinds-NCM-2024-1-0-BD-OO-29404-additional-steps?language=en_US&name=SolarWinds-NCM-2024-1-0-BD-OO-29404-additional-steps We had to do all of the above