The on-premises HCX Manager is disconnected from the Google Cloud VMware Engine (GCVE) cloud endpoint. The HCX Manager lost its authenticated session to vCenter, resulting in a WaitForUpdatesEx SOAP failure.
The HCX-to-vCenter session is disrupted when a vSphere stack update completes on the GCVE endpoint. This update process drops the active session, causing an authentication failure that requires either re-authentication or an HCX service restart.
To resolve this issue, refresh the authentication between HCX and vCenter by following these steps:
https://[HCX-Manager-IP]:9443.https://[HCX-Manager-IP].