while Running PSConfig after installing SP1 and hotfix (2597014), i have faced this error,

Unable to create a Service Connection Point in the current Active Directory domain. Verify that the SharePoint container exists in the current domain and that you have rights to write to it.
Microsoft.SharePoint.SPException: The object LDAP://CN=Microsoft SharePoint Products,CN=System,DC=<Domain>,DC=com doesn’t exist in the directory.
at Microsoft.SharePoint.Administration.SPServiceConnectionPoint.Ensure(String serviceBindingInformation)
at Microsoft.SharePoint.PostSetupConfiguration.UpgradeTask.Run()

While following this error, i have found this article to rectify this issue

http://blogs.msdn.com/b/opal/archive/2010/04/18/track-sharepoint-2010-installations-by-service-connection-point-ad-marker.aspx