How to Completely Uninstall Microsoft SQL Server

Jeff U.
2017-07-27 21:58

Description:

This article describes how to completely uninstall Microsoft SQL Server.
 

WARNING:

    • The following article will completely remove Microsoft SQL Server along with all of the attached SQL Databases.
    • The following article requires removing/altering Windows Registry keys. This can cause unwanted problems within Windows if the incorrect keys are altered. If you are not comfortable or experienced, please stop here and contact Technical Support.

 

Possible Issues/Solutions:

    • Steps:

1.  On the Microsoft SQL Server, navigate to Start Menu > Control Panel > Programs and Features.

2.  Highlight Microsoft SQL Server 2008 (64-bit) and click Remove/Change.

3.  Select Remove from the pop-up.

4.  Select all of the features and click Next until the removal process begins.

5.  Once this finishes, click next to finalize the uninstall.

6.  Highlight Microsoft SQL Server 2008 R2 (64-bit) and click Remove/Change.

7.  Select Remove from the pop-up.

8.  Select all of the features and click Next until the removal process begins.

9.  Once this finishes, click next to finalize the uninstall.

10. Highlight Microsoft SQL Server 2008 R2 Native Client and click Remove/Change.

11. Once the prompt disappears, navigate to the C:\ drive.

12. If they exist, delete the following folders:

          • C:\Program Files\Microsoft SQL Server

          • C:\Program Files (x86)\Microsoft SQL Server

13. From the Start Menu, open Run>regedit.exe

14. If they exist, delete the following registry keys:

          • HKLM\Software\Microsoft\Microsoft SQL Server

          • HKLM\Software\Microsoft\SQMClient

          • HKLM\Software\Wow6432Node\Microsoft\Microsoft SQL Server

          • HKLM\Software\Wow6432Node\Microsoft\Microsoft SQL Server Compact Edition

          • HKLM\Software\Wow6432Node\Microsoft\MSSQLServer

          • HKLM\Software\Wow6432Node\Microsoft\SQMClient
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