error when I start administration tools - ORF Forums

@Kirill: The file activeds.dll belongs to the Active Directory Service (ADSI) which tries to access the IIS metabase. This error can be caused by a lot of things, most likely it is a problem with IIS or the IIS metabase (it is corrupted), I suggest checking it. Corrupted IIS metabases can be fixed by restoring a backup or (if no backup is available) by reinstalling IIS (see http://support.microsoft.com/kb/234429).

@Kirill: Please consider that IIS SMTP support on Windows Server 2008 was introduced in ORF 4.4 only. Version 4.3 will support Exchange installations, but not IIS ones.