Validate Plan Guides After Upgrade

THIS TOPIC APPLIES TO: yesSQL ServernoAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

We recommend re-evaluating and testing plan guide definitions when you upgrade your application to a new release of SQL Server. Performance tuning requirements and plan guide matching behavior may change. Although an invalid plan guide will not cause a query to fail, the plan is compiled without using the plan guide and may not be the best choice. After upgrading a database to SQL Server 2017, we recommend that you perform the following tasks: