윈도우 서버 OS 인증 및 설치 파일 문의

Question

안녕하세요.

당사 윈도우 서버 2016 Standard 를 설치하려고 합니다.

라이선스도 보유 중에 있습니다.

① MS 홈페이지에 있는 윈도우 서버 2016 Standard 로 설치 후

당사 보유 중인 윈도우 서버 2016 Standard 라이선스 키값으로 인증하면

사진1 과 같이 업그레이드 할 수 없다고 발생하는데 원인 확인 부탁드립니다.

② 1번이 안되어 아래 경로에서 설치 파일을 다운로드 하려고 하니 사진2 와 같이 에러 발생됩니다.

원인 확인 부탁드립니다.

: 테넌트 계정 관리자 페이지 - 사용자 제품 - 볼륨 라이선싱 - 제품 및 서비스 - Windows Server 2016 Standard 클릭 - 다운로드 (Korean, English 모두 동일)

감사합니다.

[사진1]

[사진2]

Answer 1

Hello,

Thank you for posting question on Microsoft Windows Forum!

Based on the error message "This edition cannot be upgraded" when authenticating with our Windows Server 2016 Standard license key. Well! This error typically occurs if you installed the Evaluation Edition from the Microsoft Evaluation Center and are trying to activate it using a Retail or Volume License key through the standard GUI (Settings > Update & Security > Activation). The GUI does not support direct "upgrades" from Evaluation to Licensed versions. The suggestion here is to use the Deployment Image Servicing and Management (DISM) tool to convert the edition. Please refer to this article https://learn.microsoft.com/en-us/windows-server/get-started/upgrade-conversion-options for more information.

Regarding the error "Service Unavailable - Zero size object" which is a Content Delivery Network (CDN) error, specifically from Akamai (edgesuite.net), which Microsoft uses to host Volume Licensing files. This might indicate that the portal is having trouble communicating with the file server or your browser session has become corrupted. The suggestion is to use Incognito/Private Mode. This will bypass cached cookies that often cause "Service Unavailable" errors on the Volume Licensing Service Center (VLSC) or Microsoft 365 Admin Center. On the other hand, you can try a different browser or clear Browser state. Specifically clearing the cache and cookies for microsoft.com and edgesuite.net.

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In case, you are using the old VLSC portal, try navigating to the Microsoft 365 Admin Center > Billing > Your Products > Volume Licensing to download the media from there, as it uses a more modern infrastructure. You can consult this article https://learn.microsoft.com/vi-vn/microsoft-365/commerce/licenses/manage-volume-licensing?view=o365-worldwide for more information.

Hope the above information is helpful! If it is. Free feel to hit "Accepted" for benefitting others in community having the same issue too.