Upgrade Microsoft Dynamics CRM Server
Applies To: Dynamics 365 (on-premises), Dynamics CRM 2016
This section provides best practices guidelines and procedures to install Microsoft Dynamics CRM Server 2016 in a deployment that already has the previous version of Microsoft Dynamics CRM Server installed.
There are three different upgrade options:
Migrate by using a new instance of Microsoft SQL Server. We recommend this option for upgrading Microsoft Dynamics CRM Server. Although this option requires a different computer for the new version of Microsoft Dynamics CRM Server and a different instance of SQL Server, it provides the least amount of potential downtime for Microsoft Dynamics CRM because the previous Microsoft Dynamics CRM deployment can remain functioning until the upgrade is completed and verified.
Migrate by using the same instance of SQL Server. This option requires a different computer for the new version of Microsoft Dynamics CRM Server, but will upgrade in-place the configuration and default organization databases using the same instance of SQL Server. If issues occur during the upgrade, you must roll back to the previous deployment to avoid significant downtime.
In-place upgrade. Although this option doesn’t require a different computer for the new version of Microsoft Dynamics CRM Server or a different instance of SQL Server, it poses the greatest risk if upgrade issues occur because a roll back and reinstall of the previous deployment will be required to avoid potential downtime.
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