G Suite to G Suite Migration Guide
Introduction
- This is the complete onboarding task flow for migrating mailboxes from G Suite to G Suite.
- Complete each step in order. Links to corresponding Knowledge Base articles are provided.
- The MSPComplete section includes steps to deploy the Device Management Agent (DMA) to end users. This is an Agent which includes multiple modules - e.g.; for HealthCheck for Office 365 and DeploymentPro. It is not required to install DMA for this migration scenario. However, BitTitan will be adding several modules to DMA, and these will be important to power MSPComplete feeds (which will provide further information to you about upsell and cross-sell opportunities).
Prepare the Source Environment
- Grant MigrationWiz OAuth 2.0 access to G Suite. For guidance, see Enable access to G Suite using OAuth 2.0.
- If you are migrating from multiple domains, repeat these steps for each domain.
- G Suite as the Source (read-only scopes):
- Notes:
https://mail.google.com/, https://www.google.com/m8/feeds, https://www.googleapis.com/auth/contacts.readonly, https://www.googleapis.com/auth/calendar.readonly, https://www.googleapis.com/auth/admin.directory.group.readonly, https://www.googleapis.com/auth/admin.directory.user.readonly, https://www.googleapis.com/auth/drive, https://sites.google.com/feeds/
Note: OAuth administrative credentials will not function properly with G Suite for Business Legacy free accounts. If a G Suite tenant is a G Suite for Business Legacy free account, end user credentials must be used. Refer to KB005124 for more information on migrating with end user credentials.
- Ensure IMAP access is enabled for all users. For details on how to check this, refer to the Google support article here.
- Ensure the folder size limits on IMAP folders have been removed for all users. For each user, click on the gear icon > Settings > Forwarding and POP/IMAP tab > Folder Size Limits > Select the radio button for Do not limit the number of messages in an IMAP folder (default). Note: This is an end user setting, which can only be set on a per-user basis. Therefore, we recommend that you send instructions to your end users to check this setting. KB005104
- Export mailboxes to CSV file(s). From the Google Admin portal > Click Users > Click on ⁝ (3 vertical dots) > Download Users > Download All Users >Click OK > Save.
Prepare the Destination Environment
- Create users on G Suite. Refer to the G Suite admin help article here.
- Grant MigrationWiz OAuth 2.0 access to G Suite. For guidance, see Enable access to G Suite using OAuth 2.0.
- If you are migrating to multiple domains, repeat these steps for each domain.
- Notes:
- G Suite as the Destination (full scopes):
https://mail.google.com/, https://www.google.com/m8/feeds, https://www.googleapis.com/auth/contacts.readonly, https://www.googleapis.com/auth/calendar, https://www.googleapis.com/auth/admin.directory.group, https://www.googleapis.com/auth/admin.directory.user, https://www.googleapis.com/auth/drive, https://sites.google.com/feeds/
MSPComplete Steps
- Create the customer. KB005421
- Create the Source and Destination endpoints. KB005427
- Click on EndPoints > Add Endpoint > Enter endpoint name > For endpoint type, select G Suite/Gmail.
- It is necessary to add ALL domains that will be migrated from. This means that if there are users in one project with domain names Sourcedomain.com and Destinationdomain.com, then it is important to ensure that both of these are added under Your Domains when creating the endpoints. When you add a domain, you need to click on the "+" button.
- Enter Administrative email address. Note: This is the account that has admin access level to the Google admin portal.
- Click on EndPoints > Add Endpoint > Enter endpoint name > For endpoint type, select G Suite/Gmail.
- It is necessary to add ALL domains that will be migrated to. This means that if there are users in one project with domain names Sourcedomain.com and Destinationdomain.com, then it is important to ensure that both of these are added under Your Domains when creating the endpoints. When you add a domain, you need to click on the "+" button.
- Enter Administrative email address. Note: This is the account that has admin access level to the Google admin portal.
- For the Source endpoint:
- For the Destination endpoint:
MigrationWiz Steps
Watch this video to see a walk-through of the steps below.
- Create the Mailbox Migration project. KB004380
- Create the Mailbox Migration project > Select the customer > Select the Source endpoint > Select the Destination endpoint.
The following options are the most valuable for this migration scenario:
- Under Filtering, add: (^All Mail$|^All Mail/) KB005626
- This will filter out the All Mail label from your migration passes. It will also speed up your migration passes.
- You will remove this folder filter before performing your final migration pass. These steps are included later in this section.
- Notes:
- Set the Maximum concurrent migrations value. Note: The default value is 100. For cloud to cloud migrations, this value can be set to a very high number, such as 500, because both the Source and Destination environments can handle a large number of concurrent migrations.
- Under Support/Support options, add: StoreOverflowGooglePropertiesInNotes=1 KB005056
- Under Support/Support options, add: StoreOverflowGooglePropertiesInNotesPrefix="enter your text here" KB005056
- Under Support/Support options, add: SuppressReminderDays=N KB004203
- Notes:
- If you are migrating in batches, you will not be cutting over the MX records until your final batch of users has been migrated.
- Manually set forwards during a migration on a per-user basis, from the individual users' portal. Note: This is only a valid option if there are a small number of users. KB004316
- Manually set forwards during a migration on a per-user basis, from the admin portal. Note: This is a suitable option for small- to medium-sized projects. KB004374
- Automate the setup of mail coexistence (forwards) for GoogleApps through the MigrationWiz management console tool. Note: This is the best option for large projects. KB005168
- If mail coexistence is required, you must set up mail forwards against those user accounts that are in the migration batches. Options:
- Under Project Advanced Options > Filtering section, delete: (^All Mail$|^All Mail/). KB005626
- Select the users > Click on the Start button from the top, select Full Migration > Click on Start Migration. KB004938
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