"XenDesktop Site is not reachable, check that the Citrix PVS Soap Server service user has XenDesktop permissions and network connectivity" While Promoting vDisk Version

The following error appears while trying to promote an updated version of a vDisk: "XenDesktop Site f0a65a14-f50b-403a-ba3b-77700c7829b7 is not reachable, check that the Citrix PVS Soap Server service user has XenDesktop permissions and network connectivity." The PVS Soap Server service runs as...