SQL Server 2008 installation failed solution completely uninstall old version!_mssql2008

Source: Internet
Author: User
Tags microsoft sql server mssqlserver

There are a lot of people in the installation of SQL Server, the slightest careless install failed. SQL Server 2008 should be used more, many people have encountered the problem of installation failure, what caused it? Small series here a simple summary of the next, and for everyone to bring solutions, may wish to try Oh!

Figure: Installation failure is due to the previous version of the old did not uninstall clean caused!

How to solve?

1. Stop all SQL Related services: Control Panel-〉 management tools-〉 Services

2, in the Control Panel uninstall all and SQL related to all the procedures or the formation

3. Registry Cleanup ():

3.1 Completely remove SQL Server:

HKEY_LOCAL_MACHINE\Software\Microsoft\MSSQLServer HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server HKEY_ Current_user\software\microsoft\microsoft SQL Server Hkey_current_user\software\microsoft\mssqlserver Hkey_local_ Machine\system\currentcontrolset\control\sessionmanager\pendingfileren ameoperations

3.2 Relevant information in the registry is deleted:

HKEY_LOCAL_MACHINE\Software\Microsoft\MSSQLServer.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSDTC.

Locate the PendingFileRenameOperations project in 3.3 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager and Delete it . This allows you to clear the installation pending items

3.4 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup

Delete Exceptioncomponents

3.5 Run the registry and delete the following:

HKEY_CURRENT_USER\Software\Microsoft\Microsoft SQL Server

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server

HKEY_LOCAL_MACHINE\Software\Microsoft\MSSQLServer

Wonderful topic Sharing: SQL Server Installation Tutorial manual

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