# Deprecation Notice for Open Enterprise Server (OES) File System Agent

The Open Enterprise Server (OES) File System Agent is deprecated in this version of the software, and you cannot install it. For more information about the Obsolescence Policy, see Obsolescence Policy.

## Effective Release

Commvault Feature Release 11.23

## Effect of Deprecation

The OES File System Agent can no longer be installed on new clients. You can perform backups and restores using the OES File System Agent already installed on the existing machines.

## Replacement

Use the Linux File System agent to back up and restore the file servers supported by the OES Linux Operating System. For NSS volumes to preserve the trustee information and permissions, you must enable the Linux extended attributes (XAttr) option prior to running a backup job.

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