Uninstalling MOSS 2007 Manually

Note: Before performing these operations make sure you backup all Share Point databases and create a backup of the registry.

a) Disable and Stop the following services

-Microsoft Single Sign-on Service
-Office SharePoint Server Search
-Windows SharePoint Services Administration
-Windows SharePoint Services Search
-Windows SharePoint Services Timer
-Windows SharePoint Services Tracing
-Windows SharePoint Services VSS Writer

b) Note the following registry keys:

From HKLM\Software\Microsoft\Office Server\12.0
-Install Path (default is C:\Program Files\Microsoft Office Servers\12)

From HKLM\Software\Microsoft\Shared Tools\
Web Server Extensions\12.0
-Location (default is C:\Program Files\Common Files\Microsoft Shared
\Web Server Extensions\12)

c) Delete the following registry hives:

HKLM\Software\Microsoft\Office Server\12.0
HKLM\Software\Microsoft\Shared Tools
\Web Server Extensions\12.0

[x32] – HKLM\Software\Microsoft\Windows
\CurrentVersion\Uninstall\OSERVER
[x64] – HKLM\SOFTWARE\Wow6432Node\Microsoft
\Windows\CurrentVersion\Uninstall\OSERVER

d) Delete the following folders:
The value of the InstallPath key
The value of the Location key
C:\%CommonProgramFiles%\Microsoft Shared\SERVER12
Restart the server and perform an installation as normal.
Before running the configuration wizard, follow the steps as follows
You need to restore the Server Language registry value by
creating the following .reg file (open notepad and paste the following):

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft
\Shared Tools\Web Server Extensions\12.0 \ServerLanguage]
“1033″=”"

-Save this as fixlanguage.reg and upload it to your server.
Double click the file and say yes to the prompts.