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File is larger than the maximum size supported by datastore

KB ID: 1091
Product: Veeam Backup & Replication
Version: 5.x,6.x,7.x,8.x,9.x
Published: 2011-07-19
Last Modified: 2020-08-13
Languages: DE | FR | ES
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Challenge

The following error message occurs when attempting to create a VMware snapshot.

File <unspecified filename> is larger than the maximum size supported by datastore <unspecified datastore>

The Veeam Backup & Replication job fails with the following error:

CreateSnapshot failed, vmRef "vm-xxx", timeout "1800000", snName "VEEAM BACKUP TEMPORARY SNAPSHOT", snDescription "Please do not delete this snapshot. It is being used by Veeam Backup.", memory "False", quiesce "False"
File <unspecified filename> is larger than the maximum size supported by datastore

Cause

This error is displayed by Veeam Backup & Replication when creation of a snapshot fails within the user vSphere environment.

The user can recreate this error by manually creating a snapshot on the target virtual machine through the VMware vSphere Client.

Solution

Users are advised to review the following VMware Knowledge Base article.

Creating a snapshot for an ESXi/ESX virtual machine fails with the error: File is larger than maximum file size supported (1012384)
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