PKI entities connection test intermittently fails to connect to CA server via cloud connector

The cloud connectors could not connect to PKI server. The below error is generated: 2017-08-08T13:55:39.253+0000 | 467782B2FC0AB30F | ERROR | http-nio-14443-exec-15 | MsCertSrvConnector | TestConnection to pki url certnew.cer failed with response Headers: null=HTTP/1.1 401 Unauthorized, and...