The core error message is:
"
A general system error occurred: A depot is inaccessible or has invalid contents. Make sure an official depot source is used and verify connection to the depot."
YYYY-MM-DDThh:mm:ss.###Z] [ERROR] sdk-plugin-deployer-23490 com.vmware.vise.plugin.status.RemotePluginStatusServiceImpl DOWNLOAD_FAILED: Error downloading plugin package com.vmware.vrops.ui:9.0.2.0 from https://vRopsFQDN:443/vrops-unicorn/plugin.zip. Reason: URL is unreachable. Make sure that the URL is reachable.[YYYY-MM-DDThh:mm:ss.###Z] [ERROR] sdk-plugin-deployer-23490 com.vmware.vise.plugin.extension.VcExtensionManager Downloading plugin package: 'com.vmware.vrops.ui:9.0.2.0' registered in vCenter: 'VC fqdn####b292)' has failed. java.util.concurrent.CompletionException: com.vmware.vise.plugin.download.PluginDownloadException: org.apache.http.conn.ConnectTimeoutException: Connect to vRopsFQDN:443 [vRopsFQDN/##.##.##.##] failed: connect timed outVMware vSphere ESXi 8.0.X
VMware vSphere ESXi 7.0.X
Network timeout/TCP handshake failure to the vROps (Aria operations) appliance over (port 443)
Test URL Reachability:
Determine if the application layer can access the remote .zip manifest artifact package:curl -v https://[vRops-IP-or-FQDN]:443/path/to/plugin.zip
Verify Port Connectivity:
Probe the transport layer over TCP port 443:nc -zv [vRops-IP] 443