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Walkthrough - Migrate My Sites to OneDrive for Business in PowerShell

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Use PowerShell to automate your SharePoint My Sites to OneDrive for Business migration.

Index

Prerequisites

Note: You need to be site collection admin on each My Site and OneDrive, even if you have higher admin privileges. In steps (10) and (25) below, you will use Farm admin, SharePoint admin, or global admin permissions to apply site collection admin permissions on all your My Sites and OneDrives. The PowerShell script will then remove the site collection admin permissions as you migrate each My Site.

How-to

Tip: To migrate your documents to a new folder in your OneDrives, see Walkthrough - Migrate to a new OneDrive folder in PowerShell.

Create a CSV guide for your migration

  1. Go to All reports.
  2. Click on Create custom report in the top right corner.
  3. Select Site collection mceclip0.png as your object type.
  4. Click Continue without saving.
  5. Select the Web app you use for your My Sites.
  6. Click on Next.
  7. Click on Run now.
  8. Select all your My Sites with the checkmark box at top of the list.
  9. Click Edit in the Quick actions menu.
  10. Select Add administrators in the Transformations dropdown.
  11. Search and add your account in the Select user or group field that appears.
  12. Click Apply.
  13. Click Back two times to go back to your report results.
  14. Click on Export in the top right corner.
  15. Save the file on your drive.
  16. Go back to All reports.
  17. Click on Create custom report.
  18. This time select OneDrive for Business as your object type.
  19. Click Continue without saving.
  20. Select the Microsoft 365 tenant you use for your OneDrives.
  21. Click on Next.
  22. Click on Run now.
  23. Select all your OneDrives with the checkmark box at top of the list.
  24. Click Edit in the Quick actions menu.
  25. Select Add administrators in the Transformations dropdown.
  26. Search and add your account in the Select user or group field that appears.
  27. Click Apply.
  28. Click Back two times to go back to your report results.
  29. Click on Export in the top right corner.
  30. Save the file on your drive.
  31. Open Excel.
  32. Add titles SourceSite and DestinationSite to the first two columns.
  33. Open the two files you saved in the previous steps.
  34. Combine the data from both files into the new document so that the source URL corresponds to the destination URL under their respective column.
    Screen_Shot_2019-07-26_at_9.14.26_AM.png
    If sorting alphabetically doesn't work, you can reorganize your data manually or you can look for a solution with Excel macros or PowerShell.
  35. Save this new file as a CSV on your drive.

Create your script

Copy and paste the following script into the PowerShell application of your choice.

Import-Module Sharegate
$csvFile = "C:\CSV\CopyContent.csv"
$table = Import-Csv $csvFile -Delimiter ","

$srcUsername = "sourceusername"
$srcPassword = ConvertTo-SecureString 'sourcepassword' -AsPlainText -Force

$dstUsername = "destinationusername"
$dstPassword = ConvertTo-SecureString 'destinationpassword' -AsPlainText -Force

Set-Variable srcSite, dstSite, srcList, dstList
foreach ($row in $table) {
 Clear-Variable srcSite
 Clear-Variable dstSite
 Clear-Variable srcList
 Clear-Variable dstList
 $srcSite = Connect-Site -Url $row.SourceSite -Username $srcUsername -Password $srcPassword
 $dstSite = Connect-Site -Url $row.DestinationSite -Username $dstUsername -Password $dstPassword
 $srcList = Get-List -Site $srcSite -Name "Documents"
 $dstList = Get-List -Site $dstSite -Name "Documents"
 Copy-Content -SourceList $srcList -DestinationList $dstList
 Remove-SiteCollectionAdministrator -Site $srcSite
 Remove-SiteCollectionAdministrator -Site $dstSite
}

Adjust your script so that it will work for you. Here are a few guidelines:

  • $csvFile: Adjust the path so that it points to the CSV file you saved before.
  • $table: The delimiter is the symbol your CSV uses to separate your items in a row. Make sure your script uses the same delimiter as your file (a quick way to verify this is by opening the CSV with Notepad).
  • $srcUsername, $srcPassword, $dstUsername, and $dstPassword: Replace "sourceusername", 'sourcepassword', "destinationusername", and 'destinationpassword' with your Microsoft 365 credentials.
  • Connect-site: The command to connect to a SharePoint site. If you need to change the authentication method, see Connect Site.
  • Set-variable and Clear-Variable: These commands help prevent an issue where a connection failure can cause your data to end up in the wrong OneDrive.
  • foreach: We use foreach to loop through the values in your CSV file. You can find more about it here.
  • Remove-SiteCollectionAdministrator: Removes your user account as site collection administrator on the OneDrive after its migration. For more information, see Remove Site Collection Administrator.

Run your script once it's properly adjusted and tested.

Considerations

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