Symptoms:
When connectivity between the vCenter Server and Cloud Gateway Appliance or connectivity between the Cloud Gateway Appliance and VMware Cloud Services is lost an alert banner is shown in vSphere Client stating that “VMware Cloud Gateway is not connected to VMware Cloud.”
This is a proactive alert shown to take recommended action to validate and address the issue.
There are multiple reasons why the connectivity between vCenter Server and Cloud Gateway Appliance or connectivity between the Cloud Gateway Appliance and VMware Cloud Services is lost. The probable causes and recommendations are mentioned below in the resolution section.
Please find below the probably cause and recommendations for the issue:
a) NTP for Cloud Gateway should be set up to time.vmware.com with port UDP 123 as stated in VMware Cloud Gateway Requirements .
b) To troubleshoot NTP sync issues, please refer to Troubleshooting NTP on ESX and ESXi 6.x / 7.x / 8.x.
a) Ensure all listed domains in vSphere+ documentation are allowed.
b) SSL Interceptor is not supported. Please bypass the communication by referencing to Vendor documentation.
a) Use lsdoctor tool to validate SSL certificates and address any reported issues. Please refer to Using the 'lsdoctor' Tool for more information.
a) Review Cloud Gateway status by navigating to vmc.vmware.com
i. If the status shown as disconnected, reboot Cloud Gateway.
b) Review vCenter server status in Cloud console. If the status reported as unreachable, validated the above steps to address the issue.
Note: If the issue persists or requires any assistance while following the recommendations, please raise a Support Request with GSS by following the LINK along with Cloud Gateway and registered vCenter server logs.