Error al instalar WSUS en W2k3

Hola, estoy intentando instalar WSUS en un servidor W2k3 Enterprise, en
español que actua como DC

en medio de la instalación me da un error cuando esta configurando el IIS.

El log es el siguiente:

2005-06-15 09:41:27 Success MWUSSetup WSUS Server Setup
Started.
2005-06-15 09:41:27 Success MWUSSetup Parsing command line
arguments
2005-06-15 09:41:27 Success MWUSSetup WSUS Setup: Performing
Install
2005-06-15 09:41:28 Success MWUSSetup Validating
pre-requisites
2005-06-15 09:41:28 Success MWUSSetup .Net framework SP1 is
detected on this machine
2005-06-15 09:41:28 Success MWUSSetup Creating WSUS registry
key
2005-06-15 09:41:28 Success MWUSSetup Initializing
installation details
2005-06-15 09:41:28 Success MWUSSetup Initializing wizard
2005-06-15 09:42:04 Success MWUSSetup No SQL instances found
2005-06-15 09:43:21 Success MWUSSetup Installing ASP.Net
2005-06-15 09:43:46 Success MWUSSetup Asp.Net is installed
successfully
2005-06-15 09:43:46 Success MWUSSetup ASP.Net is installed
successfully
2005-06-15 09:43:47 Success MWUSSetup MSXML2 is already
installed on this machine
2005-06-15 09:43:47 Success MWUSSetup Installing WMSDE
2005-06-15 09:45:12 Success MWUSSetup WMSDE Installed
Successfully
2005-06-15 09:45:15 Success MWUSSetup WMSDE is installed
successfully
2005-06-15 09:45:15 Success MWUSSetup Initializing MWUS
installation
2005-06-15 09:45:15 Success MWUSSetup Installing PSFSIP
2005-06-15 09:45:15 Success MWUSSetup PSFSIP Installed
Successfully
2005-06-15 09:45:15 Success MWUSSetup Copying installation
settings to the registry
2005-06-15 09:45:15 Success MWUSSetup Installing MSUS...
2005-06-15 09:45:15 Success MWUSSetup Installing MWUS With
Command Line SETUP_EXE=1 WUS_INSTALLMODE="128" AUTHENTICATED_USERS="NT
AUTHORITY\Usuarios autentificados" CONTENT_LOCAL="1"
SQLINSTANCE_NAME="%computername%\WSUS" CUSTOMACTION_LOG="C:\Archivos de
programa\Update Services\LogFiles\WSUSCa_050615_0941.log" REP
2005-06-15 09:45:16 Success CustomActions.Dll .Net framework path:
C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322
2005-06-15 09:45:21 Success CustomActions.Dll Creating Administradores
de WSUS user group
2005-06-15 09:45:21 Success CustomActions.Dll Administradores de WSUS
user group already exists
2005-06-15 09:45:21 Success CustomActions.Dll Successfully created
Administradores de WSUS user group
2005-06-15 09:46:40 Success CustomActions.Dll Successfully configured
the database
2005-06-15 09:46:42 Info IISCustomAction Performing Setup Action,
Command /Install
2005-06-15 09:47:27 Error IISCustomAction Command /Install
FailedSystem.ArgumentNullException: El valor no puede ser nulo.
2005-06-15 09:47:27 Error IISCustomAction Nombre del parámetro:
replacementStrings
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Internal.ResourceReader.GetString(String
resourceName, Object[] replacementStrings)
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.Resources.GetString(String resourceName)
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.IisWebService.ApplyConfig(IIisMetabaseDriver
metabaseDriver, IisMetabaseObject target)
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.IisMetabaseObject.Apply(IIisMetabaseDriver
metabaseDriver)
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.IisConfig.ApplyConfig(IIisMetabaseDriver
metabaseDriver, Boolean upgrading, Boolean& siteCreated)
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.IisCustomAction.Install(String
installRevision, String configFilePath, String webSiteName, String
newWebSiteBinding, String newWebSiteRootPath, String[] rootPaths)
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.MainClass.Install()
2005-06-15 09:47:27 Error IISCustomAction at
Microsoft.UpdateServices.Setup.MainClass.PerformSetupAction()
2005-06-15 09:50:19 Info IISCustomAction Performing Setup Action,
Command /Rollback
2005-06-15 09:50:19 Info IISCustomAction Command /Rollback
Succeeded
2005-06-15 09:50:40 Error MWUSSetup MWUS Installation Failed
(Error 0x00000643: Error grave durante la instalación.)
2005-06-15 09:50:40 Error MWUSSetup InstallMSUS failed
(Error 0x80070643: Error grave durante la instalación.)
2005-06-15 09:50:40 Error MWUSSetup MWUS installation failed
(Error 0x80070643: Error grave durante la instalación.)
2005-06-15 09:50:40 Error MWUSSetup PerformInstall failed
(Error 0x80070643: Error grave durante la instalación.)
2005-06-15 09:50:40 Success MWUSSetup Rolling back
Installation
2005-06-15 09:50:40 Success MWUSSetup WSUS Server installation
failed. You can look at C:\Archivos de programa\Update
Services\LogFiles\WSUSSetup_050615_0941.log file to determine the cause of
the failure
2005-06-15 09:51:08 Success MWUSSetup WMSDE Uninstall
Succeeded
2005-06-15 09:51:08 Error MWUSSetup Failed to copy
Setup\UninstallHelper.exe to
C:\DOCUME~1\ADMINI~1.TIP\CONFIG~1\Temp\2\UninstallHelper.exe (Error
0x80070003: El sistema no puede hallar la ruta especificada.)
2005-06-15 09:51:08 Success MWUSSetup Insert string: %1 Para
obtener más información, vea el registro del programa de instalación "%2".
2005-06-15 09:51:08 Success MWUSSetup szErrorType: Microsoft
Windows Server Update Services no puede configurar el sitio de
administración o algunos de los directorios virtuales.
2005-06-15 09:51:08 Success MWUSSetup ErrorLog: C:\Archivos de
programa\Update Services\LogFiles\WSUSSetup_050615_0941.log
2005-06-15 09:51:08 Success MWUSSetup StringObtained:
Microsoft Windows Server Update Services no puede configurar el sitio de
administración o algunos de los directorios virtuales. Para obtener más
información, vea el registro del programa de instalación "C:\Archivos de
programa\Update Services\LogFiles\WSUSSetup_0
2005-06-15 11:06:21 Error MWUSSetup WSUS Setup: Performing
Install Failed. (Error 0x80070643: Error grave durante la instalación.)
2005-06-15 11:06:21 Error MWUSSetup WSUS Setup Failed.
(Error 0x80070643: Error grave durante la instalación.)


he buscado información en la web de Microsoft, news y foros, he visto
alguna referencia a este error el un w2k server pero parece que es pq
funciona de diferente forma la instalación segun el SO. Alguna idea????.

Muchas gracias.

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