M365 PowerShell

Using Remove-MgUserMailFolder in Graph PowerShell

The Remove-MgUserMailFolder cmdlet in the Microsoft Graph PowerShell module allows administrators to delete specific mail folders in a user's mailbox. This article provides a detailed overview of the cmdlet, including its syntax, usage examples, tips, use cases, possible errors, solutions, and a conclusion.

Cmdlet Syntax

Remove-MgUserMailFolder -UserId <String> -MailFolderId <String> [-Confirm] [<CommonParameters>]

UserId: The ID of the user whose mail folder needs to be removed. This can be the user's UPN or ID.
MailFolderId: The ID of the mail folder to be removed.
Confirm: Prompts for confirmation before executing the command.

Usage Examples

Example 1: Remove a Mail Folder by ID by passing UPN

Remove-MgUserMailFolder -UserId "user@domain.com" -MailFolderId "AAMkADI5AAAAAH0"

Example 2: Remove a Mail Folder with Confirmation Prompt

Remove-MgUserMailFolder -UserId "user@domain.com" -MailFolderId "AAMkADI5AAAAAH0" -Confirm:$true

Example 3: Remove a Mail Folder by ID by passing User ID

Remove-MgUserMailFolder -UserId "a1b2c3d4-e5f6-7890-ab12-cd34ef567890" -MailFolderId "AAMkADI5AAAAAH0"

Cmdlet Tips

Ensure you have the necessary permissions to remove mail folders from the user's mailbox.
Use the -Confirm parameter to add a safety prompt before the mail folder is deleted.
Double-check the MailFolderId to avoid accidentally deleting the wrong folder.

Use Cases

Mailbox Cleanup: Administrators can use this cmdlet to remove unnecessary or redundant mail folders from users' mailboxes.
Compliance: In compliance scenarios, specific mail folders containing sensitive information can be deleted.
Migration: During mailbox migration, certain folders may need to be deleted as part of the cleanup process.

Possible Errors & Solutions

Error 1: Access Denied

Cause: Insufficient permissions to delete the mail folder.

Solution: Ensure that the account executing the cmdlet has the required permissions. Assign the necessary permissions to the account using appropriate admin roles.

Error 2: MailFolderNotFound

Cause: The specified MailFolderId does not exist in the user's mailbox.

Solution: Verify the MailFolderId and ensure it is correct. Use Get-MgUserMailFolder to list all mail folders and confirm the folder ID.

Error 3: UserNotFound

Cause: The specified UserId does not exist or is incorrect.

Solution: Ensure that the UserId is correct and the user exists in the directory. Validate the UserId using Get-MgUser.

Conclusion

The Remove-MgUserMailFolder cmdlet is a powerful tool for administrators to manage and clean up mail folders in user mailboxes. By understanding its syntax, usage examples, tips, use cases, and troubleshooting common errors, you can effectively utilize this cmdlet to maintain mailbox hygiene and compliance. Always double-check the parameters and use the -Confirm parameter to avoid accidental deletions.

Leverage this cmdlet to streamline your mailbox management tasks and enhance the overall efficiency of your organization's email system.

Additional Resources:

Microsoft Graph PowerShell Module Documentation
Microsoft Graph API Documentation

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