License server is configured with a proxy server.
Viewing the VM console screen of the license server shows:
VMware Cloud Foundation 9.1
VCF License Server is not required to communicate with the internet and has no external network connection requirements.
VCF License Server requires 443 communicate with vCenter and VCF Operations.
Redeploy the VCF License Server without a proxy configured via the following documentation:
Redeploying a license server: