Please verify all required Firewall rules are in place, refer
Configuring Carbon Black Cloud Communications1) Verify connectivity from CloudDR-CWP Appliance to Recovery SDDC vCenter.
curl -kvL https://<vCenter IP/FQDN>:4432) Verify Compute Gateway(CGW) Firewall rules are in place, if CWP appliance is unable to connect to vCenter in recovery SDDC.
3) Verify connectivity CloudDR-CWP Appliance to Carbon Black Cloud URL.
curl -kvL https://use1.carbonblackcloud.vmware.com:4434) Verify connecvitity from CloudDR-CWP Appliance to URL '
content.carbonblack.io:443'.
5) Validate if there is native AWS Security Group or NSX Advance Firewall configured in the SDDC and ensure the cloud URLs are allowed inbound and outbound internet traffic from CWP appliance.
Once the connectivity is restored the Recovery SDDC status will revert to "Green/Good" in VCDR UI.