Technical Tip: FortiDeceptor, license expired after upload the license file
Description
This article describes that after uploading the license file, it keeps showing the certificate has expired.

Scope
FortiDeceptor.
Solution
This issue usually happens if the Hardware specs configured for the FortiDeceptor-VM do not fit the minimum requirements for FortiDeceptor-VM.
Usually, it is because there is only one network adapter configured, so add a second adapter from your hypervisor to FortiDeceptor-VM.
Also, make sure to follow the minimum requirements for the VM H/W specs.
The link below has all the deployment guides for VMware, Hyper-V, and KVM.
It has all the minimum Hardware specs for each hypervisor:
If the VM requirements are met and FDN connectivity is functioning properly, try deleting the current license file using the command below, then upload a new license file.
dcvm-license -ru