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Backup to NAS fails - Access to the file is denied - The specified network name is no longer available - Connect IT Community | Kaseya
<main> <article class="userContent"> <h3 data-id="problem">Problem</h3> <ul><li>Image Location is on a NAS device configured for SMB 2.0 support</li> <li>Image Location test passes, but backup fails with below error</li> </ul><p> </p> <blockquote class="blockquote"> <p>Backup failed - ProtectCommand: Failed to execute the command. EnsureBackupInvariantsCommand: Failed to prepare the location for the backup archive. Access is denied. Failed to retrieve information about file '\\<NAS address>\<folder>\<agent GUID>\VolBackup\<set name>'. Access is denied. Access to the file is denied. The specified network name is no longer available</p> </blockquote> <p> </p> <h3 data-id="cause">Cause</h3> <ul><li>Acronis Command line process was unable to authenticate to the NAS (using encrypted agent credentials)</li> </ul><h3 data-id="solution">Solution</h3> <ul><li>change SMB version support in NAS configuration from 2.0 to 3.0</li> </ul><h3 data-id="applies-to">Applies to</h3> <p>Kaseya VSA (Backup module) - v6.5 and later</p> <p>Acronis Backup v11.x</p> </article> </main>