Zimbra is a nice platform for email and collaboration. But there are times when some users need a modern platform like Carbonio a modern platform for future growth, enhanced maintenance, and other capabilities. This blog contains a guide to Carbonio migration from Zimbra, where I will discuss the planning, server preparation, user provisioning, data validation, and DNS configuration.
Why Migrate from Zimbra to Carbonio?
But before going through the steps of the transition. You must understand the reasons behind this. Below, I have mentioned common user reasons.
- Most organizations are switching because their older Zimbra is approaching or has reached the end of its support. But Carbonio provides you with an environment where you can maintain your account effectively.
- Today, email is one of the part of your workplace communication. Businesses require collaboration capabilities like calendars, contacts, file sharing, chat, and video meetings. That’s why they have to move to a modern team platform that provides these features.
- Companies that are planning to upgrade their infrastructure are also updating their communication. That is the case when they are transitioning from Zimbra to Carbonio.
- The new platform provides improved authentication policies, updated server configuration, etc.
- When an organization grows, you require more mailbox and storage. If your Zimbra is full, then Carbonio will help you.
Prerequisites Before you Start Migration
You can’t go straight through the migration. Organizations need proper planning so that there is no problem during the process. Below are the points that you must prepare for the migration.
- First of all, the most important prerequisite is to back up your complete Zimbra environment. Back up emails, contacts, calendars, configuration files, and other sensitive information so that if something happens, you can retain your data.
- Make sure you properly prepare your Carbonio server beforehand. Verify the Carbonio system check shows you have sufficient CPU, RAM, and storage, install the Linux operating system, etc.
- You must have a stable internet network as an unstable connection creates disturbances in your process and could create errors.
- Properly communicate with your users about the migration and tell them to prepare themselves.
Migration doesn’t mean that you have to install Carbonio over the existing Zimbra server. Here, you deploy Carbonio on a new server and then migrate the data. If you are thinking of using in-place migration, doing it may cause compatibility issues, configuration conflicts, and service disruption. Therefore, a parallel migration would benefit like.
- You have the choice to still use your existing Zimbra even during migration.
- You can continue to access the mailboxes while the process is still happening.
- Administrators can validate your migrated data.
- It becomes easier to roll back if some issues arise unexpectedly.
Maintaining two environments together can be difficult. So, it is important to have a backup and restore strategy for any issues that may happen in the future.
How to Perform Carbonio Migration from Zimbra?
The migration process is done in phases. By first preparing your Carbonio environment >> migrate settings and service >> move emails and data. I am going to explain each phase in detail.
Phase 1: Prepare Carbonio Account
The first step of the process is to have a stable destination environment before you transfer your data. So, for this,
- Install the Carbonio server on your desktop. Go to the official site of Carbonio.
- Fulfill the installation requirements, verify the services, and carefully install it.
- Then, create a domain in Carbonio with other users.
- Go to the Carbonio Admin portal and log in to the admin account.
- From the navigation, go to the Domains section.
- Click the Create or Create NEW DOMAIN button.
- Provide the details: New Domain name, Total number of accounts, and Email quota.
- Lastly, click the Save or Create button to finally set up your domain.
- After you create your domain, create user accounts where you will migrate your mailbox data.
- Go to the same Admin Console, select the domain that you have just created.
- Click the Manage button and select Accounts.
- Press the blue + button to open the Create Account wizard.
- Add your details: Account name (username), First name, Last name, and password.
- Set quota (optional) and press CREATE WITH THIS DATA to create new users.
- Use the above steps to create more user accounts.
- If your organization uses distribution groups or mailing lists, configure them before the migration.
- Check the mailbox settings like Mailbox quotas, retention policies, authentication settings, storage configuration, security policies, and default mailbox preferences.
Phase 2: Move your Services
Before you transfer emails, verify that the mail services are functioning correctly in Carbonio.
- Check that you can send outbound email for any server logs or delivery errors.
- Make sure IMAP is enabled and confirm that it is functioning properly.
- Ensure that all users have verified assigned credentials.
- Don’t close your Zimbra server immediately. When the service is functioning correctly.
Phase 3: Migrate Mailbox
Once you have completely established your destination. Now, you can transfer your data from Zimbra to the Carbonio account. User can manually migrate their emails. However, when organizations need to move their mailbox. Professional tools like SysTools Zimbra Migration Software are a secure option. Using the specialized tool, you can directly move your account while maintaining folder hierarchy and original messages. To know how it works. Follow the steps below.
- Download the software and install in your computer.

- Choose IMAP as both the source and destination tab.

- Add Zimbra account credentials by choosing the Other option from the list of IMAP servers.

- Similarly, add your Carbonio account details. Validate both accounts.

- Import your user account by creating a user mapping file. Then, click the Start Migration option.

To migrate your contacts and calendars, export your data in CSV and ICS format, respectively, from Zimbra. Then, access Carbonio and import the exported files.
Concluding Words
Here are the proper steps of Carbonio migration from Zimbra. I have divided the process in 3 phases where you prepare your Carbonio account, confirm your services, and migrate your mailboxes. If you already have Carbonio and want to migrate the mailbox, simply use the software to properly move your data.