Office Online Server 구성후 Skype For Business 2015 에서 배포하였으나 기능이 동작되지 않았습니다.



We can't connect to the server for sharing right now


이벤트 로그에서 LS Data MCU Event ID 41025,41026 지속 발생



Event 41025, LS Data MCU

Connection to the Web Conferencing Edge Server has succeeded

Edge Server Machine FQDN: edge.contoso.com, Port:8057


Event 41026, LS Data MCU

No connectivity with any of Web Conferencing Edge Servers. External Skype for Business clients cannot use Web Conferencing modality.

Cause: Service may be unavailable or Network connectivity may have been compromised.

Resolution:

Verify all Web Conferencing Edge Services in the topology are running, and network connectivity is available.


이벤트 로그 기록을 토대로 아래와 같이 커뮤니티 기술자료를 확인할 있습니다.

 

Lync 2013 - No connectivity with any of Web Conferencing Edge Servers

https://techcommunity.microsoft.com/t5/Skype-for-Business-IT-Pro/Lync-2013-No-connectivity-with-any-of-Web-Conferencing-Edge/td-p/72180

 

Lync/SfB Server: Event 41026, LS Data MCU after May 2017 .NET Framework update

https://blogs.technet.microsoft.com/uclobby/2017/05/24/lyncsfb-server-event-41026-ls-data-mcu-after-may-2017-net-framework-update/

 

LS Data MCU events 41025 and 41026 are constantly generated after you install the May 2017 .NET Framework Security and Quality Rollup

https://support.microsoft.com/ko-kr/help/4023993/ls-data-mcu-events-41025-and-41026-are-constantly-generated-after-you

 

Window Server rollup update 이슈로 .Net 관련 있으며, 아래의 기술자료를 참고하여 레지스트리 수정후 문제가 해결되었습니다.

Description of the Security and Quality Rollup for the .NET Framework 4.6 and 4.6.1 for Windows 8.1 and Windows Server 2012 R2: May 9, 2017

https://support.microsoft.com/en-us/help/4014510/description-of-the-security-and-quality-rollup-for-the-net-framework-4

 

아래의 레지스트리 경로로 이동합니다.

HKEY_LOCAL_MACHINE\Software\Microsoft\.NETFramework\v4.0.30319


우측 공간에서 우클릭 - New - DWORD


이름을 RequireCertificateEKUs 입력


서비스 메뉴로 이동


Skype for Business Server Web Conferencing - Restart


Client 에서 동작 확인


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