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Migrating from Exchange Server 2013 to Exchange Server 2019? Here Are the Best Practices You Need to Know

Best Practices for Migrating from Exchange Server 2013 to Exchange Server 2019
Introduction
Microsoft Exchange Server is a powerful platform that enables organizations to easily manage their email and communication needs. With Exchange Server 2019, Microsoft has taken their popular email solution to the next level – offering enhanced scalability, improved messaging performance and increased security. However, for organizations that are currently using Exchange Server 2013, the move to Exchange Server 2019 can be daunting. In this blog, we will discuss best practices for migrating from Exchange Server 2013 to Exchange Server 2019, including:

* Understanding the Migration Process
* Preparing for the Migration
* Migrating Mailboxes
* Migrating Data
* Verifying the Migration

Understanding the Migration Process
Before beginning the migration process, it is important to understand the different methods that can be used to migrate from Exchange Server 2013 to Exchange Server 2019. The most common methods include:

* Cutover Migration: A cutover migration is the simplest and quickest way to migrate from Exchange Server 2013 to Exchange Server 2019. It involves moving all mailboxes and data from the source Exchange Server to the target Exchange Server in a single batch. This method is ideal for smaller organizations with up to 2000 mailboxes. Due to the complexity of larger migrations, this method is not recommended for organizations with more than 2000 mailboxes.
* Staged Migration: A staged migration involves moving mailboxes and data from the source Exchange Server to the target Exchange Server in smaller batches. This method is ideal for larger organizations with more than 2000 mailboxes. It can also be used for smaller organizations, but it requires more time and effort to complete.
* Hybrid Migration: A hybrid migration is a combination of the cutover and staged migration methods. It involves moving some mailboxes and data from the source Exchange Server to the target Exchange Server in a single batch, while other mailboxes and data are moved in smaller batches. This method is ideal for organizations that need to migrate large amounts of data in the shortest amount of time.

Preparing for the Migration
Before beginning the migration process, it is important to ensure that the target Exchange Server 2019 is properly configured and has all the necessary updates. This includes:

* Ensuring that the target Exchange Server is running the latest version of Exchange Server 2019.
* Installing all available security updates and service packs.
* Enabling antispam and antimalware protection.
* Enabling the latest security features, such as Advanced Threat Protection (ATP) and Multi-Factor Authentication (MFA).
* Creating a backup of the source Exchange Server.
* Creating a backup of the target Exchange Server.
* Creating a backup of the source mailboxes and data.

Migrating Mailboxes
Once the target Exchange Server has been properly configured, the next step is to begin the migration process. Depending on the method chosen for the migration, the process for migrating mailboxes and data will vary. For example, in a cutover migration, all mailboxes and data will be moved in a single batch. In a staged migration, mailboxes and data will be moved in smaller batches.

It is important to note that during the migration process, users will not be able to access their mailboxes until the migration is complete. Therefore, it is important to ensure that users are aware that their mailboxes will be inaccessible during the migration process and to provide them with information on how to access their mailboxes once the migration is complete.

Migrating Data
Once the mailboxes have been moved to the target Exchange Server, the next step is to migrate the data. This includes migrating user profiles and settings, as well as any customizations, such as Outlook rules and forms.

For a cutover or staged migration, it is important to ensure that all data is moved to the target Exchange Server. This can be done using a third-party migration tool, such as Quest Migration Manager for Exchange. This tool can be used to migrate user profiles, settings, customizations, and more.

Verifying the Migration
Once the migration process is complete, it is important to verify that all data has been moved successfully. This can be done by logging into the target Exchange Server and verifying that all mailboxes and data have been moved correctly.

It is also important to ensure that all users are able to access their mailboxes on the target Exchange Server. This can be done by having users log into their mailboxes and test that they are able to send and receive emails.

Conclusion
Migrating from Exchange Server 2013 to Exchange Server 2019 can be a daunting task. However, with proper planning and preparation, the migration process can be completed smoothly and successfully. By following the best practices outlined in this blog, organizations can ensure that their migration is successful and that users are able to access their mailboxes on the target Exchange Server.
References:
Best Practices for Migrating from Exchange Server 2013 to Exchange Server 2019
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1. Exchange Server 2013 to 2019 Migration (45,000 monthly searches, low

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