Realcase: Failed to upgrade SQL Server 2016 SP2 CU11. (Installation success or error status: 1648)
One of my customer failed to upgrade SQL Server 2016 SP2 CU11. Here is the troubleshooting steps 1.Check SQL Server setup log(C:\Program Files\Microsoft SQL Server\130\Setup Bootstrap\Log\) Detailed results: Feature: Database Engine Services Status: Failed: see logs for details Reason for failure: An error occurred for a dependency of the feature causing the setup process for the feature to fail. Next Step: Use the following information to resolve the error, and then try the setup process again. Component name: SQL Server Common Files Component error code: 1648 Component log file: C:\Program Files\Microsoft SQL Server\130\Setup Bootstrap\Log\20191217_193009\SQLAG\sql_common_core_Cpu64_1.log Error description: No valid sequence could be found for the set of updates. Error help link: http://go.microsoft.com/fwlink?LinkId=20476&