Error: [ ########-####-####-####-############ ] Org Vdc OVDCname(com.vmware.vcloud.entity.vdc:########-####-####-####-############) does not have the following network capability: networkModeDhcpVMware Cloud Director 10.6
This issue occurs because there is no assigned NSX service edge cluster to the organization VDC in which the organization VDC network is deployed.
Assign a NSX service edge cluster to the organization VDC in which the organization VDC network is deployed.
This can be done as per the documentation, Assign an Edge Cluster to a VMware Cloud Director Organization Virtual Data Center.
You can find more information about how to Activate DHCP in Network Mode for a VDC Network Backed by NSX in the VMware Cloud Director Tenant Portal in the link.