Implementations - SQL Uninstall Guide

Standard Uninstall Steps


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  • Delete the local security groups

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  • Stop all SQL Server services using the appropriate Sql Configuration Manager.

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  • Open Control Panel, and select Programs and Features
  • Right click Microsoft SQL Server 20__ and select uninstall, then click remove
  • Make sure the instance is selected and click next
  • Review the ready to remove page and verify all the components expected are there. If so, select next.

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  • SQL Server FullText
  • Data Quality Services (DQS)
  • SQL Server (Database Engine), Replication
  • Analysis Services in SharePoint integrated mode
  • Analysis Services
  • SQL Server (Database Engine), Analysis Services
  • Reporting services
  • SQL Server Management Tools – Complete, Backwards Compatibility, SDK, Connectivity
  • SQL Server Management Tools – Basic
  • Business Intelligence Development Studio
  • Integration Services
  • Data Quality Client
  • Distributed Replay client
  • Distributed Replay controller
  • Reporting Services SharePoint Web Front-end
  • Reporting Services SharePoint
  • Books On-line
  • Business Intelligence Development Studio, SQL Server Management Tools - Complete
  • Business Intelligence Development Studio, SQL Server Management Tools - Basic
  • SQL Server Management Tools
  • SQL Server (Database Engine), Business Intelligence Development Studio, SQL Server Management Tools
  • Business Intelligence Development Studio, Integration Services
  • LocalDB

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  • Uninstall the existing SQL Server and all the components from the add remove program.
  • Backup the registry, look to google if you do not know how to do this.
  • Delete the following keys using regedit
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer
  • Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall and delete all the sub-keys
  • referencing SQL Server.
  • delete all the sub-keys referencing SQL Server.
  • Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
  • delete all the keys referencing SQL Server.
  • Rename or Delete all the SQL Server folders in the computer
  • C:\Program Files (x86)\Microsoft SQL Server
  • C:\Program Files\Microsoft SQL Server
  • Reboot the Machine
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