ApsaraDB RDS for SQL Server - Supports Upgrades from Basic Edition to High-Availability Edition
Target customers: customers who use RDS for SQL Server Basic Edition, including Enterprise Basic Edition 2012, Standard Basic Edition 2012, WEB Basic Edition 2012, Enterprise Basic Edition 2016, Standard Basic Edition 2016, and WEB Basic Edition 2016. Features released: RDS for SQL Server releases the function of upgrading from Basic Edition to High-availability Edition. You can upgrade the version on the Basic Information page of the console. The upgrade process will disrupt services for about 20 minutes. We recommend that you only upgrade services during off-peak hours and ensure that suitable reconnection mechanisms are available. The network type of the upgraded version remains unchanged. You cannot change the VPC information, but you can change the vSwitch information. For more information, see the product documentation.