Symptoms:
VMware vCloud Usage Meter fails to collect usage data from a product already added for metering.
VMware vCloud Usage Meter 4.x
VCF usage meter 9.0
Collection error due to the hostname being in uppercase, refer to the kb below:
Failing to login to VCF Usage Meter 9.0 with error "Server error. HTTP status code: 400 [invalid_request] OAuth 2.0 Parameter: redirect_uri".