This article documents antivirus exclusions that have been found to help prevent antivirus software from interrupting Veeam Backup & Replication communications with components such as proxies and repositories or with the guest OS of VMs that are being backed up or replicated.
Folders on the Veeam Server:
C:\Program Files (x86)\Veeam
C:\Program Files\Common Files\Veeam
C:\Program Files (x86)\Common Files\Veeam
VBRCatalog ( [HKLM\SOFTWARE\Veeam\Veeam Backup Catalog] CatalogPath value)
NFS (Configured in each repository, stored in [HKLM\SOFTWARE\Wow6432Node\Veeam\Veeam NFS] RootFolder value)
Folder on Guest OS for VSS:
Folders on VMware Backup Proxies and CIFS Repository Gateway:
Folders on Windows Repositories:
*Also include the path the backup files*
Folders on WAN Accelerator:
*Path of WAN cache on WAN accelerators*
Due to the complex nature of antivirus software some additional exclusions may be needed.
If your antivirus has a logging or history system please review this to see actions it may have taken that may affect Veeam Backup & Replication operations.