File and DFS migration script

Currently I am in a project which will migrate several users in a large AD environment from one site to another as the current site is being decommissioned. This involves (among other things) migrating files and DFS Namespace to another file server and domain controllers and since this is a repetitive task for each department, I’ve made myself a sort of workbook in Powershell that I’d like to share with you.

This is a script which I load into an elevated PowerShell ISE, and change the input variables in the top and save a copy for each department. Then I can load the script I need, run all parameters and just mark and run selection (F8 hotkey) depending on the task at hand. The script is divided into 11 parts for tasks during preparation and during cut over. I’ve used comments to clearly divide the tasks.

To put it in perspective: The script linked will handle:

  • The department “Billing”
  • Short-reference “Bill”
  • Currently has a share named “Billing$” on the old file server
  • Linked to the DFS Namespace “\\corp.contoso.com\Bill” which is used for drive mapping.

The script will check and perform the different tasks needed to move their data to another file server and update both DFS Root Targets to the new domain controllers (which will host the namespace itself).and Folder Targets which points to the new file server.

The script can be downloaded here

Personally I found this makes it a lot easier, as the project goes on, to handle several ongoing migration jobs either in preparation or at cut over phase. It also makes sure the result is consistent and reduces the risk for failure.

As always feel free to use and customize to meet your own requirements

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