Module 4: Prepare the Destination Office 365 Email System

In this lab exercise, you will prepare an Office 365 tenant as the Destination for an email migration project.

Note: These instructions are tailored for the Office 365 Enterprise E3 plan. The steps may differ for other versions of Office 365 for business.

Prerequisites

• Complete the steps in this lab exercise only after you finish the module above.
• Global Administrator-level access to the Office 365 tenant.

Lab Exercise

Complete these steps to create a Global Administrator account in Office 365:

1. Sign in to Office 365 as a Global Administrator at this web address: https://portal.office365.com
2. Click Admin in the Apps section of the page.
3. In the left navigation pane of the Office 365 Admin Center, click Users, and then select Active Users.
4. Now click Add a user.
5. Enter MigrationWiz as the display name, and the username.
6. Expand the Password.
7. Be sure to deselect Make this user change their password when they first sign in.
8. Select Let me create the password, and then enter a password for the account. You will need the password later, when you are adding the account to MSPComplete.
9. Expand the Roles node, and select Global Administrator.
10. You also need to enter an alternate email address.
11. Expand the License node, and assign the appropriate license. This provides access to all services in the Office 365 tenant.
12. Click Add.
13. Click Send email and close to close the Add user panel.
    
    The administrator account has been added to the Office 365 tenant.

Complete these steps to set up the Users and their mailboxes in Office 365:

1. On the Users page, click the More drop-down menu.
2. Select Import multiple users.
3. To get started, download one of the sample CSV files, and fill it in with your User information.
4. Once your CSV file is populated with User information, click Browse and navigate to the local drive location where you saved the completed CSV file.
5. Click Verify to confirm the file contains no mistakes, and click Next.
6. Confirm the options on the screen, and assign the Users the appropriate Office 365 licenses.
7. Click Next.
8. Click Send email and close to close the Add user panel.

Complete these steps to prepare the Office 365 tenant to send and receive large mail items:

1. Open Windows PowerShell as an administrator.
2. Run this command to remove script restrictions in Windows PowerShell:
   

   Set-ExecutionPolicy Unrestricted

3. Confirm the execution policy by entering Y, and press Enter.
4. Run this command to authenticate your Office 365 administrator account:
   

   $UserCredential = Get-Credential

5. Enter the MigrationWiz account credentials, and press Enter.
6. Run this command to start a new Exchange Online PowerShell session:
   

   $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection

7. Run this command to import the Exchange Online PowerShell commands:
   

   Import-PSSession $Session

   Note: You can now make configuration changes on the Exchange Online service for your customer’s Office 365 tenant.
8. Run this command to increase the default send and receive email file size limits to 150 megabytes:
   

   Get-MailboxPlan | Set-MailboxPlan -MaxReceiveSize 150MB -MaxSendSize 150MB

9. Run this command to increase the send and receive file size limits for existing mailboxes:
   

   Get-Mailbox | Set-Mailbox -MaxReceiveSize 150MB -MaxSendSize 150MB

10. Run this command to disconnect from the Exchange Online PowerShell session:
    

    Remove-PSSession $Session

Download the lab exercise PDF

Answer the Knowledge Check questions below, and then click Done to see your score.