Before you install Veeam Backup Enterprise Manager, check the following prerequisites:
- A machine on which you plan to install Veeam Backup Enterprise Manager must meet the system requirements. For more information, see System Requirements.
- A user account that you plan to use for installation must have sufficient permissions. For more information, see Required Permissions.
- Backup infrastructure components communicate with each other over specific ports. These ports must be open. For more information, see Used Ports.
- .NET 3.5.1 WCF HTTP Activation Windows component prevents Veeam Backup Enterprise Manager from functioning. Make sure there is no .NET 3.5.1 WCF HTTP Activation Windows component on the Veeam Backup Enterprise Manager server prior to the installation.
- Local antivirus or antimalware software can interfere with Veeam Backup Enterprise Manager installation and upgrade. If you recieve the "Failed to create website 0x80070020" message, disable your local antivirus or antimalware software and run the installation process again. You can re-enable your antivirus software once the installation process completes. For more information, see this Veeam KB article.
- Сheck the "Known Issues" section of the Veeam Backup & Replication 9.5 Update 4 Release Notes.