SharePoint 2013 설치 과정에서 "The username is invalid The account must be a valid domain account" 오류 발생

"SharePoint Products Configuration Wizard" 창에서 DB 정보 입력하는 창에 DB 접속 권한이 있는 도메인 계정을 입력해도 다음과 같은 오류 메시지 창이 나옵니다.

The username is invalid The account must be a valid domain account

"The username is invalid. The account must be a valid domain account."
; https://social.technet.microsoft.com/Forums/en-US/b06e36e8-f552-49ca-9282-4e3e07ed5e8e/the-username-is-invalid-the-account-must-be-a-valid-domain-account?forum=sharepointgeneralprevious

Issue SharePoint 2013: The username is invalid. The account must be a valid domain account
; https://nkdagility.com/issue-sharepoint-2013-the-username-is-invalid-the-account-must-be-a-valid-domain-account/