This issue is resolved in VMware vCenter Server version 8.0 U1. VMware vCenter Server 8.0 Update 1 Release Notes
This issue is resolved in VMware vCenter Server 7.0 Update 3q. VMware vCenter Server 7.0 Update 3q Release Notes
For download information, see VMware vSphere downloads, VMware Converter, OEM custom images, patches and addons in the Broadcom Support Portal
Workaround:
To work around Unable to retrieve manifest or certificate try one of the following: