When you try to install or upgrade the Veeam Backup Enterprise Manager 12.1, it might fail to create a website, and the error code is 0x80070020.
You can follow the instructions to open the logs folder and try to check the cause of the issues. The folder path is C:\ProgramData\Veeam\Setup\Temp.
I noticed the error message: The process cannot access the file because it is being used by another process. Failed to create website. Error code: 0x80070020
Bae on Veeam KB1992 https://www.veeam.com/kb1992, this known issue–Local antivirus or antimalware software interferes with installation.
In my case, the Windows Defender Advanced Threat Protection caused this issue. Unfortunately, I cannot temporarily disable the Microsoft Defender Advanced Thread Protection service. The service properties greyed out.
Also, I don’t want to offboard the server from the Windows Defender Advanced Threat Protection and risk it.
Please follow the steps to set Microsoft Defender Antivirus to passive mode by setting the following registry key and rebooting the server.
Path: HKLM\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection
You can run Setup.exe to install the Veeam Backup Enterprise Manager 12.1 again. The error will gone and installed successfully.
Remember to remove the registry key and reboot the server after the installation.
I hope you enjoy this post.
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Author: Cary Sun
Cary Sun has a wealth of knowledge and expertise in data center and deployment solutions. As a Principal Consultant, he likely works closely with clients to help them design, implement, and manage their data center infrastructure and deployment strategies.
With his background in data center solutions, Cary Sun may have experience in server and storage virtualization, network design and optimization, backup and disaster recovery planning, and security and compliance management. He holds CISCO CERTIFIED INTERNETWORK EXPERT (CCIE No.4531) from 1999. Cary is also a Microsoft Most Valuable Professional (MVP), Microsoft Azure MVP, Veeam Vanguard and Cisco Champion. He is a published author with several titles, including blogs on Checkyourlogs.net, and the author of many books.
Cary is a very active blogger at checkyourlogs.net and is permanently available online for questions from the community. His passion for technology is contagious, improving everyone around him at what they do.
Blog site: https://www.checkyourlogs.net
Web site: https://carysun.com
Blog site: https://gooddealmart.com
Amazon Author: https://Amazon.com/author/carysun