SonarQube server can not be reached on run code analysis on VSTS Build Agent

2018-11-08T04:04:18.7188911Z 23:04:18.717 DEBUG: Extract sonar-scanner-api-batch in temp…
2018-11-08T04:04:18.7528877Z 23:04:18.751 DEBUG: Get bootstrap index…
2018-11-08T04:04:18.7528877Z 23:04:18.751 DEBUG: Download: https:///batch/index
2018-11-08T04:04:19.1778452Z 23:04:19.176 INFO: ------------------------------------------------------------------------
2018-11-08T04:04:19.1778452Z 23:04:19.176 INFO: EXECUTION FAILURE
2018-11-08T04:04:19.1798450Z ##[error]23:04:19.176 ERROR: SonarQube server [https://sonarqube.
.com] can not be reached
2018-11-08T04:04:19.1798450Z ##[debug]Processed: ##vso[task.logissue type=error;]23:04:19.176 ERROR: SonarQube server [https://sonarqube.
.com] can not be reached
2018-11-08T04:04:19.1798450Z 23:04:19.176 ERROR: SonarQube server [https://sonarqube.
*.com] can not be reached
2018-11-08T04:04:19.1798450Z 23:04:19.177 INFO: ------------------------------------------------------------------------
2018-11-08T04:04:19.1798450Z 23:04:19.177 INFO: Total time: 1.343s
2018-11-08T04:04:19.1908439Z 23:04:19.189 INFO: Final Memory: 3M/20M
2018-11-08T04:04:19.1918438Z ##[error]23:04:19.189 ERROR: Error during SonarQube Scanner execution
2018-11-08T04:04:19.1918438Z ##[debug]Processed: ##vso[task.logissue type=error;]23:04:19.189 ERROR: Error during SonarQube Scanner execution
2018-11-08T04:04:19.1928437Z 23:04:19.189 ERROR: Error during SonarQube Scanner execution
2018-11-08T04:04:19.1928437Z ##[error]org.sonarsource.scanner.api.internal.ScannerException: Unable to execute SonarQube
2018-11-08T04:04:19.1928437Z ##[debug]Processed: ##vso[task.logissue type=error;]org.sonarsource.scanner.api.internal.ScannerException: Unable to execute SonarQube
2018-11-08T04:04:19.1928437Z org.sonarsource.scanner.api.internal.ScannerException: Unable to execute SonarQube