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CBTDriverError:uvbCbtSnapshotCreationStarted <CBT_CTL_DUPLICATE_SNAPSHOT_CREATE> - Connect IT Community | Kaseya
<main> <article class="userContent"> <p>There is a CBT issue preventing incremental backups from working as expected as indicated in the job log.</p> <pre class="code codeBlock" spellcheck="false" tabindex="0"> ----- Error Messages ----- <br> CBTDriverError:uvbCbtSnapshotCreationStarted:: 20001002 <CBT_CTL_DUPLICATE_SNAPSHOT_CREATE> +<br> Due to previous error, Unitrends agent is not able to use the Hyper-V CBT filter driver during backup job for VM {01A920EF-73DA-49C8-90C3-76D1F951E065}: all files will be backed up as full not change blocks.+<br> ----- End Error Messages ----</pre> <p>The work around for CBT snapshot issues is to remove the VM from tracking and take another full backup.</p> <p>To remove a Hyper-V VM from CBT tracking perform the following:</p> <p>1. Open command prompt as an Administrator</p> <p>2.Run the command to obtain the <VMId> <br><strong>powershell Get-VM <Name> | format-list VMID </strong></p> <p>3.Using the <VMId>, run the command to remove VM from CBT tracking<br><strong>C:\unicbt\bin\uvbsimulator.exe remove <VMId></strong></p> <p>4. Schedule or Run a Hyper-V full backup of the affected VM</p> </article> </main>