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  • Writer's pictureshishir kushawaha

Backup MECM Task Sequences using PowerShell

Task sequences play a crucial role in the Windows deployment process, serving as the binding agent for the overall deployment process. As organizations create more task sequences over time, it becomes increasingly important to maintain backups of these task sequences. In the event of a corrupted or accidentally deleted task sequence, or the need to restore a previous state of a task sequence, having backups can be critical.

Fortunately, PowerShell can simplify the process of exporting MECM task sequences to create backups.

$Timestamp=Get-Date-Format "dd-MM-yyyy"
$BackupFolder=Join-Path $BackupPath "\$timestamp"
$AllTaskSequences=Get-CMTaskSequence-Fast |Select-Object name,packageid
Export-CMTaskSequence-TaskSequencePackageId $_.packageid-ExportFilePath "$BackupFolder\$($_.packageid)-$($"-WithContent $false-WithDependence $false

The script retrieves all task sequences from MECM and selects only their names and package IDs. Then it exports each task sequence in a .zip file format to the backup folder path. The "Export-CMTaskSequence" cmdlet is used to export the task sequence based on its package ID. The exported .zip file is named using the task sequence's name and package ID, and the "WithContent" and "WithDependence" parameters are set to false to exclude task sequence content and dependencies.

The script outlined above automates the process of exporting task sequences and saving them to a backup location with a timestamped folder name. This provides several benefits, such as automation of the backup process, customization based on filtering, version control, and disaster recovery. Once a task sequence is exported as a .zip file using the PowerShell script, it can be imported back into MECM in case it is required.

By creating backups of task sequences, organizations can rest easy knowing that they have the ability to restore any lost or corrupted task sequences, minimizing downtime and potential disruptions to the deployment process. Additionally, having version control and timestamped backups can aid in troubleshooting any issues that may arise during deployment.

The PowerShell script for exporting MECM task sequences, as mentioned earlier, can be found on GitHub.

The script can be saved on the local system, and the task scheduler in Windows can be used to run the script at a specified interval. This is particularly useful for large organizations with a high number of task sequences that need to be backed up frequently. By using the task scheduler, the PowerShell script can be set to run at regular intervals, such as daily or weekly, depending on the backup needs of the organization.

In summary, having a backup of task sequences is essential in maintaining an efficient and effective deployment process. Using PowerShell to automate this process can save time and provide peace of mind for IT teams.

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