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Antivirus Exclusions for Veeam Backup & Replication
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Purpose
This article documents antivirus exclusions that may be created to reduce the impact that antivirus software has on the functionality of Veeam Backup & Replication. These antivirus exclusions may be applied to the Windows built-in antivirus or third-party antivirus software.
Note: Antivirus will not always cause Veeam Backup & Replication functions to fail; antivirus software may also negatively impact performance.
Antivirus Exclusions
On the Veeam Backup & Replication Server:
- C:\Program Files\Veeam\
- C:\Program Files (x86)\Veeam\
- C:\Program Files\Common Files\Veeam\
- C:\Program Files (x86)\Common Files\Veeam\
- VBRCatalog Path
This path can be found in the registry under the value named CatalogPath in the keyHKLM\SOFTWARE\Veeam\Veeam Backup Catalog\ - NFS Path
This path can be found in the registry under the value named RootFolder in the keyHKLM\SOFTWARE\Wow6432Node\Veeam\Veeam NFS\ - C:\VeeamFLR\
- %windir%\Veeam\
- %programdata%\Veeam\
This is the default log directory location, if the log directory path has been changed, the AV exclusion must be adjusted to match. - C:\Windows\TEMP\*\veeamflr-*.flat
- C:\Windows\Temp\VeeamBackup\
In Guest OS of protected Machines:
- %windir%\VeeamVssSupport\
Folder will only be used if either Application-Aware Processing or Guest File System Indexing are enabled. - %windir%\VeeamLogShipper\
Folder will only be used on SQL Servers when SQL Server Transaction Log Backup is enabled.
On VMware Backup Proxies, Gateway Servers, and Hyper-V Hosts:
- C:\Program Files (x86)\Veeam\
- %windir%\Veeam\
- C:\Windows\Temp\VeeamBackup\
- %programdata%\Veeam\
- Veeam CDP Proxy Cache Folder
Default: C:\VeeamCDP\ - Mount Server Instant recover write cache folder
Review each repository's Mount Server setting and add an AV exclusion for the write cache path on the Mount Server specified. - VeeamAgent.exe
- VeeamAgent64.exe
On Windows Repositories:
- C:\Program Files (x86)\Veeam\
- %windir%\Veeam\
- %programdata%\Veeam\
- *Also include the path to the backup files*
- *Also include the path to 'ArchiveIndex' for capacity tier*
- VeeamAgent.exe
- VeeamAgent64.exe
On WAN Accelerators:
- C:\Program Files (x86)\Veeam\
- %programdata%\Veeam\
- %windir%\Veeam\
- *Path of WAN cache on WAN accelerators*
Repository File Extensions:
- *.erm
- *.flat
- *.vab
- *.vbk
- *.vbk.tmp
- *.vblob
- *.vbm
- *.vbm_*tmp
- *.vcache
- *.vib
- *.vindex
- *.vlb
- *.vmdk
- *.vrb
- *.vsb
- *.vslice
- *.vsource
- *.vsourcecopy
- *.vsourcetemp
- *.vstore
- *.vstorecopy
- *.vstoretemp
More Information
Third-Party Antivirus Exclusion References
Related Veeam Antivirus Exclusion Articles
Antivirus Software on Linux
Due to the high variability in how each Antivirus solution operates or may be configured, some Linux Administrators may find that no exclusions are needed. Yet others may find that their Antivirus policies may necessitate specific exclusions. With that in mind, we strongly encourage Linux administrators to review their Antivirus logging closely when issues occur and adjust rules and policies accordingly.
Veeam Support has observed that the most common issues occur when Antivirus has been configured to tightly secure the /tmp/ directory, which in turn causes conflicts with Veeam's use of the path /tmp/Veeam/ . For example, a Veeam Agent for Linux backup job may display the error "POSIX: Failed to open file [/dev/veeamimage1]." This error can be misleading at first as the path shown in the error does not appear related to /tmp/Veeam/, but in fact,/dev/veeamimage is symlinked to /tmp/Veeam/{guid}/
Below is a preliminary list of folders and executables that have been identifed by Veeam Support:
- /dev/veeamimage*
- /etc/veeam/*
- /opt/veeam/*
- /tmp/veeamagent*
- /tmp/veeam/*
- /tmp/veeam/{*}
- /usr/bin/veeamconfig
- /usr/sbin/veeam*
Specific executables:- veeam
- veeamagent
- veeamjobman
- veeammount
- veeampsqlagent
- veeamservice
- veeamsupporttool
- veeam
- /var/lib/veeam/*
- /var/log/veeam/*
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