Je vous donne le fichier de logs si cela vous parle plus qu'à moi :
2013-04-24 11:01:01 Postinstall started
2013-04-24 11:01:01 Detected role services: Api, UI, WidDatabase, Services
2013-04-24 11:01:01 Start: LoadSettingsFromParameters
2013-04-24 11:01:01 Content local is: True
2013-04-24 11:01:01 Content directory is: E:\WindowsUpdate
2013-04-24 11:01:01 SQL instname is:
2013-04-24 11:01:01 End: LoadSettingsFromParameters
2013-04-24 11:01:01 Start: Run
2013-04-24 11:01:01 Configuring content directory...
2013-04-24 11:01:01 Configuring groups...
2013-04-24 11:01:01 Starting group configuration for WSUS Administrators...
2013-04-24 11:01:01 Found group in regsitry, attempting to use it...
2013-04-24 11:01:01 Searching for existing group...
2013-04-24 11:01:01 Existing group was found
2013-04-24 11:01:01 Writing group to registry...
2013-04-24 11:01:01 Finished group creation
2013-04-24 11:01:01 Starting group configuration for WSUS Reporters...
2013-04-24 11:01:01 Found group in regsitry, attempting to use it...
2013-04-24 11:01:01 Searching for existing group...
2013-04-24 11:01:01 Existing group was found
2013-04-24 11:01:01 Writing group to registry...
2013-04-24 11:01:01 Finished group creation
2013-04-24 11:01:01 Configuring permissions...
2013-04-24 11:01:01 Fetching content directory...
2013-04-24 11:01:01 Fetching ContentDir from registry store
2013-04-24 11:01:01 Value is E:\WindowsUpdate
2013-04-24 11:01:01 Fetching group SIDs...
2013-04-24 11:01:01 Fetching WsusAdministratorsSid from registry store
2013-04-24 11:01:01 Value is S-1-5-21-3316755563-3760110986-3891723589-1003
2013-04-24 11:01:01 Fetching WsusReportersSid from registry store
2013-04-24 11:01:01 Value is S-1-5-21-3316755563-3760110986-3891723589-1004
2013-04-24 11:01:01 Creating group principals...
2013-04-24 11:01:01 Granting directory permissions...
2013-04-24 11:01:01 Granting permissions on content directory...
2013-04-24 11:01:01 Granting registry permissions...
2013-04-24 11:01:01 Granting registry permissions...
2013-04-24 11:01:01 Granting registry permissions...
2013-04-24 11:01:01 Configuring shares...
2013-04-24 11:01:01 Configuring network shares...
2013-04-24 11:01:01 Fetching content directory...
2013-04-24 11:01:01 Fetching ContentDir from registry store
2013-04-24 11:01:01 Value is E:\WindowsUpdate
2013-04-24 11:01:01 Fetching WSUS admin SID...
2013-04-24 11:01:01 Fetching WsusAdministratorsSid from registry store
2013-04-24 11:01:01 Value is S-1-5-21-3316755563-3760110986-3891723589-1003
2013-04-24 11:01:01 Content directory is local, creating content shares...
2013-04-24 11:01:01 Creating share "UpdateServicesPackages" with path "E:\WindowsUpdate\UpdateServicesPackages" and description "A network share to be used by client systems for collecting all software packages (usually applications) published on this WSUS system."
2013-04-24 11:01:01 Deleting existing share...
2013-04-24 11:01:01 Creating share...
2013-04-24 11:01:01 Share successfully created
2013-04-24 11:01:01 Creating share "WsusContent" with path "E:\WindowsUpdate\WsusContent" and description "A network share to be used by Local Publishing to place published content on this WSUS system."
2013-04-24 11:01:01 Deleting existing share...
2013-04-24 11:01:01 Creating share...
2013-04-24 11:01:01 Share successfully created
2013-04-24 11:01:01 Creating share "WSUSTemp" with path "C:\Program Files\Update Services\LogFiles\WSUSTemp" and description "A network share used by Local Publishing from a Remote WSUS Console Instance."
2013-04-24 11:01:01 Deleting existing share...
2013-04-24 11:01:01 Creating share...
2013-04-24 11:01:01 Share successfully created
2013-04-24 11:01:01 Finished creating content shares
2013-04-24 11:01:01 Configuring WID database...
2013-04-24 11:01:01 Configuring the database...
2013-04-24 11:01:01 Establishing DB connection...
2013-04-24 11:01:01 Checking to see if database exists...
2013-04-24 11:01:01 Database does not exist
2013-04-24 11:01:01 Loading install type query...
2013-04-24 11:01:01 DECLARE @currentScriptVersion int
DECLARE @currentDBVersion int
IF NOT EXISTS(SELECT * FROM sys.databases WHERE name='SUSDB')
BEGIN
SELECT 1
END
ELSE
BEGIN
SET @currentScriptVersion = (9200 + 16384)
SET @currentDBVersion = (SELECT SchemaVersion FROM SUSDB.dbo.tbSchemaVersion WHERE ComponentName = 'CoreDB')
IF @currentDBVersion < 926
BEGIN
SELECT 3
END
ELSE IF @currentDBVersion < @currentScriptVersion
BEGIN
SELECT 2
END
ELSE IF @currentDBVersion = @currentScriptVersion
BEGIN
SELECT 0
END
ELSE
BEGIN
SELECT 4
END
END
2013-04-24 11:01:01 Install type is: Fresh
2013-04-24 11:01:01 Creating database...
2013-04-24 11:01:01 Msg 5170, Level 16, State 1, Server \\.\pipe\Microsoft##WID\tsql\query, Line 2
Impossible de créer le fichier 'C:\Windows\WID\Data\SUSDB.mdf' parce qu'il existe déjà. Modifiez le chemin d'accès au fichier ou le nom de ce dernier, puis recommencez l'opération.Msg 1802, Level 16, State 4, Server \\.\pipe\Microsoft##WID\tsql\query, Line 2
Échec de CREATE DATABASE. Certains noms de fichiers de la liste n'ont pas pu être créés. Voir les erreurs associées.
2013-04-24 11:01:01 Microsoft.UpdateServices.Administration.CommandException: Échec de la création de la base de données
à Microsoft.UpdateServices.Administration.ConfigureDB.CreateDatabase()
à Microsoft.UpdateServices.Administration.ConfigureDB.Configure()
à Microsoft.UpdateServices.Administration.PostInstall.Run()
à Microsoft.UpdateServices.Administration.PostInstall.Execute(String[] arguments)