Virtual Standby is failing with error "Sequence contains no matching element" (4044979)

Virtual Standby jobs are failing with error: 

Failed to enqueue continuous export of 'AgentName' to 'CoreName' on vcenter target 'vcenter.domain.local:443'. Reason: Sequence contains no matching element

Complete the following steps to resolve the issue:

1. On the core console, go to Virtual Standby window.
2. For each agent machine with virtual standby job failing, hit the drop down button at the left.
3. Select Edit.
4. Enter the VCenter  information and select the resources and data store.

The next virtual standby should complete properly.