Forgot to post the exact erro message (just in case...):

[COMException (0x80004005): Cannot generate SSPI context]
ADODB.ConnectionClass.Open(String ConnectionString,
String UserID, String Password, Int32 Options) +0
SharedFns.ReadSQLDbLocale(String& strAdminConn) +98
SharedFns.SQLGetConnStr() +339

Microsoft.CommerceServer.Interop.Configuration.SiteConfigRe
adOnlyFreeThreaded.SQLGetConnection() +168

Microsoft.CommerceServer.Interop.Configuration.SiteConfigRe
adOnlyFreeThreaded.Initialize(String bstrSiteName) +291

[CommerceException: Cannot generate SSPI context]
SharedFns.ThrowCommerceException(String message,
Exception inner) +55

Microsoft.CommerceServer.Interop.Configuration.SiteConfigRe
adOnlyFreeThreaded.Initialize(String bstrSiteName) +4235

Microsoft.CommerceServer.Runtime.Configuration.CommerceReso
urceCollection..ctor(String siteName) +217

Microsoft.CommerceServer.Runtime.CommerceApplicationModule.
InitializeApplication() +194

Microsoft.CommerceServer.Runtime.CommerceApplicationModule.
Init(HttpApplication appInstance) +76
System.Web.HttpApplication.InitModules() +100
System.Web.HttpApplication.InitInternal(HttpContext
context, HttpApplicationState state, MethodInfo[]
handlers) +1295

System.Web.HttpApplicationFactory.GetNormalApplicationInsta
nce(HttpContext context) +392
System.Web.HttpApplicationFactory.GetApplicationInstance
(HttpContext context) +256
System.Web.HttpRuntime.ProcessRequestInternal
(HttpWorkerRequest wr) +414

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